AI Cartoon Character Prompting Guide (2026)

Master AI cartoon prompting for character consistency. Get copy-paste templates, avoid morphing issues, and create print-ready illustrations fast.

AI Cartoon Character Prompting Guide (2026)
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If you searched for "prompting guide for AI cartoon generation with character consistency," you're not looking for generic AI tips.
You're trying to solve something very specific: create one character identity (face, hair, outfit, proportions) and then reuse that exact identity across many different images without the character morphing into someone else every single time.
We've watched thousands of creators wrestle with this problem. Research shows that AI image models have zero memory between images. Kids notice immediately if a hero's eye color suddenly changes. Adult readers notice when a character's hairstyle shifts mid-story. The frustration is real.
Success looks like this:
• You generate 10 to 50 scenes, and they all read as the same cast
• You change one thing at a time (pose OR expression OR outfit OR camera angle)
• You hit print-ready quality for children's books or client work
• You have a repeatable workflow, not luck-based results
This guide gives you that exact system. We'll cover the prompting structures that actually work, copy/paste templates for every scenario, troubleshooting fixes when consistency breaks, and the workflow we use at Neolemon to help 20,000+ creators generate consistent cartoon characters across entire projects.

Why AI Characters Keep Changing Appearance

Most image generators don't "remember" your character.
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They generate each image from scratch. Even if your prompt is similar, the model treats each request as a fresh problem: "Make an image that matches this text." There's no built-in persistent identity like "this is Tom."
This happens because diffusion models start from random noise and iteratively denoise into an image. Same prompt, different random seed, different starting noise... different face. Sometimes subtly different. Sometimes completely different.
In practice, you get consistency by stacking three things:
An identity anchor (a strong base image or trained identity reference)
A prompt that keeps identity stable (same "character DNA" every time)
A workflow that edits instead of regenerating (change pose/expression/outfit from the anchor, don't roll the dice again)
Neolemon is basically a "make that workflow easy" layer. Prompt structure + consistent tools + editors so you don't have to think about ControlNet, LoRA weights, or seed management every day.

How to Keep AI Characters Consistent: 5-Layer Framework

Think of character consistency as five distinct layers. Master each layer, and your characters stay rock-solid.
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Layer
What It Controls
Why It Matters
Layer 1: Character DNA
Face shape, eyes, nose, hair, skin tone, proportions, signature outfit, art style
Identity that must NEVER change
Layer 2: Anchor Image
Single clean, full-body reference
Your source of truth for all variations
Layer 3: Scene DNA
Action, pose, expression, camera angle, background, props
What CAN change scene to scene
Layer 4: Controlled Edits
One variable at a time
Win or lose consistency here
Layer 5: QC + Publishing
Print resolution, AI disclosure, versioning
Professional delivery standards

What Is Character DNA in AI Generation?

Face shape, eyes, nose, hair style/color
Skin tone
Proportions and body type (short, tall, big head, chibi style)
Signature outfit design or a defined wardrobe
Art style fundamentals (2D flat, 3D animation-like, watercolor, line thickness, shading approach)

How to Create an Anchor Image for Character Consistency

A single clean, full-body reference is the easiest anchor for long projects.
Neolemon's Character Turbo guide explicitly recommends your first base image as standing, full-body pose, smiling. Why? It works best as a reference for later edits. No complicated scene chaos, no weird cropping issues.

What Can Change Between AI Character Images?

Action/pose (sitting, running, waving)
Expression (happy, sad, surprised)
Camera angle/perspective (front, side, 3/4 view, top-down)
Background/location
Props and supporting characters

How to Edit AI Characters Without Breaking Consistency

This is where most people win or lose.
If you keep regenerating from text, you get drift. If you edit from a stable anchor, you get consistency.
The difference: "Change only the pose to sitting on a bench, keep everything else the same" vs. "Generate a sitting character."

What Are the Quality Standards for AI Character Publishing?

Print resolution (Amazon KDP requires at least 300 DPI for printed books)
AI disclosure rules (KDP requires disclosure for AI-generated content)
Naming/versioning your character set so you don't lose track of 30 different variations

AI Cartoon Prompting Mistakes to Avoid

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How to Write Image Prompts (Not Story Prompts)

One prompt equals one visual moment. Keep it to what can be drawn.
Think of each prompt as a single freeze-frame image, not an entire story. AI image models excel at capturing a single moment in time, much like a snapshot. If you try to cram a sequence of actions into one prompt, the model gets confused about which instant to render.
Don't: "Girl goes to library, finds a book, reads, then leaves."
Do: "Girl reading a book in a library, sitting at a wooden table."

Why You Should Separate Character from Scene Details

That causes the model to "re-decide" the character while also solving the scene.
Separate what's fixed (character identity) from what's variable (action, background). More on this in the prompting blueprint section.

Why Negative Prompts Fail in AI Character Generation

Common prompting mistakes warn against negative phrasing because it confuses image models.
Always tell the AI what to include, not what to omit. AI image models often handle negative instructions poorly. If your prompt says "without" or "not X," the model may fixate on X and actually add it.
Don't: "A young man without a beard, not wearing any hat."
Do: "Clean-shaven young man with short brown hair."

Why More Adjectives Won't Fix Character Consistency

More words often means more degrees of freedom.
Consistency comes from fewer moving parts and a stable anchor. Vague language is the enemy of consistency. When your prompt is too general, the AI fills in the blanks arbitrarily, and those random choices differ from one image to the next.
Don't: "Man working with a computer." (Too broad)
Do: "Man typing on a laptop keyboard while sitting at a desk."

How to Write Perfect AI Character Prompts

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Here's the pattern you want. Neolemon's "perfect prompt" formula is basically: who → features → outfit → (optional) personality.

How to Structure Your Character DNA Block

Who they are (name, age, species)
Visual features (hair, eyes, face shape, skin tone)
Outfit (specific items, colors, patterns)
(Optional) Short personality tag
For character prompts, being specific means detailing your character's "DNA" (like hair color/style, eye color, skin tone, clothing or signature outfit pieces, any distinctive features like glasses, freckles, a scar, and the art style).
Example: "Milo, a 6-year-old boy with curly black hair, warm brown eyes, and a missing front tooth, wearing blue denim overalls and red sneakers. 2D cartoon style."
This level of detail gives the model a tightly defined target.

What Should Go in Your Shot and Action Block?

Pose/action (standing, sitting, running, waving)
Framing (full body / medium shot / close-up)
Camera angle (front / 3/4 / side / top-down)

How to Structure Scene Details in AI Prompts

Environment (park, library, kitchen, plain white background)
Props (book, ball, umbrella)
Lighting/mood (keep consistent per project if you want a unified book feel)

Why You Must Lock Your Art Style Early

Pick one style and keep it for the whole project. Neolemon explicitly says: pick one style and stay consistent across your project.
Switching style mid-project is the fastest way to make your character look like their cousin.

Character DNA Worksheet (Copy This)

Use this before you touch any tool:
NAME:
AGE:
SPECIES: (human/animal/robot/etc)
BODY TYPE + PROPORTIONS: (short/tall, big head, chibi, etc)
SKIN/FUR:
HAIR: (style, color, texture)
FACE: (eye shape/color, freckles, glasses, etc)
SIGNATURE OUTFIT: (color, items, patterns)
ACCESSORIES: (backpack, hat, toy, etc)
STYLE: (2D flat, 3D animation-like, watercolor, etc)
MUST NEVER CHANGE: (3 to 5 identity anchors)
Now convert that into a single sentence prompt you can reuse.
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How to Generate Consistent Characters with Neolemon

If your goal is consistent characters across a children's book, storyboard, or social series, this is the workflow that minimizes drift.
Watch the full walkthrough: AI Cartoon Generation Step by Step Guide
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Which Neolemon Tool Should You Start With?

• If you're unsure how to write prompts → start with Prompt Easy
• If you already have a clean character description → go straight to Character Turbo
Prompt Easy is designed to turn rough ideas into structured prompts, and it's free (doesn't consume credits).
Key advantage over ChatGPT: Neolemon produces draft cartoon images and character concepts within seconds (not minutes). That's one of the main reasons people switch from ChatGPT to our app. It's incredibly fast and easy to make changes and variations. ChatGPT is often slow, times out, and causes frustration. When users come back to ChatGPT later, consistency is completely gone and they have to start from scratch. Neolemon delivers that "wow moment" with instant speed and perfect consistency.

How to Generate Your First Anchor Image in Character Turbo

Neolemon's Character Turbo guide gives a very concrete structure:
Description: subject → features → outfit
Action: one clear action (and for the first image: standing, full body pose, smiling)
Background: keep it simple; early on, use something like "plain white background" instead of "no background"
Style: pick one and stick to it
Aspect ratio: start 1:1 unless you know your layout
Each generation costs 4 credits in Character Turbo (as of January 17, 2026).

Character Turbo Prompt Template (Use Inside Neolemon Fields)

DESCRIPTION:
[who] with [key features], wearing [signature outfit]. (optional: short personality tag)

ACTION:
standing, full body pose, smiling

BACKGROUND:
plain white background

STYLE:
[pick 1 style preset and never change it]

ASPECT RATIO:
1:1

Example (Good "Anchor")

DESCRIPTION:
An 8-year-old girl with short brown hair and freckles, bright green eyes, wearing a yellow raincoat and red boots. Curious and adventurous.

ACTION:
standing, full body pose, smiling

BACKGROUND:
plain white background
Why this works: It gives you a clean identity reference. If you start with a complicated scene, you're anchoring on chaos.

How to Create Multiple Poses with Action Editor

Action Editor is specifically built to create new poses/actions while keeping the same character consistent.
How it works:
• Upload a full body image
• Choose quick examples or write your prompt in the form "change the action to..."
• Each generation costs 4 credits (as of December 21, 2025)
Important note on multi-character scenes: It's tempting to stage a full cast in one image, but multi-character prompts often derail consistency. The AI's attention gets divided among multiple subjects, making it harder to render each one reliably.
Focus on one character per prompt when building your pose library.
Don't: "Girl and boy playing together in the park."
Do: Generate each character separately, then combine them in a final scene using an editing tool or multi-image feature.
When the AI can focus on a single character, all its processing power goes into nailing that character's details.

Action Editor Prompt Templates (Copy/Paste)

Simple:
change the action to walking forward and waving hello
With Pose Clarity:
change the action to sitting on a park bench, legs dangling, holding a small book in both hands
With Camera Clarity:
change the action to running toward the camera, full body visible, dynamic motion
Rule: One action per prompt. Don't ask for pose + outfit + background + mood all at once unless you enjoy debugging.

How to Control Character Emotions with Expression Editor

Expression Editor is the fastest way to keep the same face and still get story emotion.
The workflow:
• Upload your character image
• Pick an expression preset
• Optionally refine eyebrows/eyes/mouth/head tilt
• Generate (4 credits per generation as of December 21, 2025)
Watch it in action: Expression Editor Tutorial

Expression Prompts (The Way You Should Think About It)

You're not writing a poetic prompt. You're specifying facial mechanics.
Use a checklist mindset:
Eyebrows: raised / furrowed / neutral
Eyes: wide / squint / looking left
Mouth: closed smile / open laugh / frown
Head: slight tilt / chin down

How to Create Multi-Character Scenes with AI

Multi-character consistency is harder because models tend to "blend" attributes.
Neolemon's step-by-step guide (updated November 6, 2025) lays out the basic method:
• Create each character separately (each in their own chat)
• Upload character images into Multi Character
• Write a scene prompt and tag characters like @character1, @character2

Multi-Character Prompt Template (Copy/Paste)

@character1 [action + emotion], @character2 [action + emotion].
They are in [simple location].
Clear spacing between characters, both full bodies visible.
Pro move: Decide who is "primary" in the panel and make that character's expression crystal clear. Secondary character can be simpler.

AI Character Prompting Rules That Work (2026)

These aren't generic tips. These are the levers that stop drift.

Why You Must Write Full Character DNA Every Time

Neolemon explicitly calls this out: don't assume the AI remembers; write full prompts every time.
Remember, the AI doesn't remember. You must restate your character description every time in each prompt, or risk the model "freestyling" and getting it wrong.
Don't rely on context from previous images. Most image generators won't carry over details from one prompt to the next.
Don't: "Use the last character but make him hold an umbrella."
Do: "A young boy with curly brown hair wearing a yellow raincoat and boots, holding a red umbrella, standing in the rain."
Pro tip: Keep your character's description saved in a document so you can reuse it consistently. Many creators keep a text file of successful prompts to quickly pull from.

Why Positive Phrasing Beats Negative Instructions

Don't say "no beard." Say "clean-shaven."
Common prompting mistakes call this out directly.

Why Detail Order Matters in AI Prompts

Image models respond to structure. Keep your identity block in the same order every time.

Why Art Style Consistency Matters for Characters

Pick one style and don't mix. Switching style mid-project is the fastest way to make your character look like their cousin.

How to Debug AI Character Generation Issues

If the output is wrong, you should know what caused it.
"Pose + outfit + background + camera + emotion" is five variables. Don't do that to yourself.

AI Character Prompt Templates Library

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A) Base Character (Text-Only)

[age] [gender/species] with [hair], [eye details], [distinctive facial feature], wearing [signature outfit]. (optional: personality tag).
[style descriptor].

B) Character Doing an Action (Text-Only)

Same character: [full character DNA].
[action], [framing], [camera angle].
[background].
[lighting/mood].
[style lock].

C) "Keep Identity Stable" Edit Prompt (For Tools That Support Edits)

Change only: [what you want to change].
Keep exactly the same: face, hair, skin tone, proportions, outfit design, art style.
This "change only X, keep everything else" style is recommended for reducing drift during edits.

How to Fix AI Character Consistency Problems

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Why AI Faces Change (And How to Fix It)

Usually caused by:
→ Regenerating from text instead of editing from anchor
→ Too many scene changes at once
→ Weak identity anchors (no distinct features)
Fix:
→ Go back to your anchor image
→ Simplify the prompt to only identity + action
→ Re-add background last
→ If using an edit-capable system, use "change only X, keep everything else"

Why AI Character Outfits Keep Changing

Usually caused by:
→ Outfit described vaguely ("casual clothes")
→ Outfit details mixed with action words
Fix:
→ Rewrite outfit as concrete nouns + colors ("yellow raincoat, red boots")
→ Keep outfit in the character DNA block, not the scene block

Why AI Art Style Drifts Between Images

Usually caused by:
→ Switching style descriptors
→ Using multiple style references / presets
→ Asking for "Pixar + anime + watercolor" nonsense
Fix:
→ Pick one style preset and reuse it consistently (Neolemon says to do exactly this)

Why Multi-Character AI Scenes Blend Features

Usually caused by:
→ Creating both characters in one prompt from scratch
→ Not tagging or separating character actions clearly
Fix:
→ Create characters individually first, then combine (Neolemon's multi-character workflow)
→ Keep each character's action sentence separate

Advanced AI Character Consistency Methods

The tips above will take you a long way using just text prompts. They essentially amount to careful prompt repetition (describing the character exactly the same way each time, with only the action or setting changing).
This method is free and works across virtually any AI image tool, though it may involve some trial and error as you refine your prompt wording.
For those who need even tighter consistency, consider these approaches as next steps:
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How to Use Seed Numbers for Character Consistency

Some generators support using a fixed random seed to reduce variability.
Using the same seed for each image along with an identical character prompt can yield very similar outputs.
Caveat: As testing has shown, seeds will make characters alike but not carbon copies. You might still get subtle differences. Think of it like giving the same description to several artists with the same art style. The drawings will be in the same ballpark, but not pixel-perfect clones.

What Are Character Reference Images in AI Generation?

A number of tools now let you upload one or more images of your character to guide new generations.
For example, some platforms introduced character reference features that keep a character consistent across different poses and scenes by learning from a set of images.
Similarly, some workflows use an initial "anchor" image of the character and apply techniques like ControlNet (pose control) or inpainting to pose that character in new ways without altering identity.
The downside is these require a bit more work. You have to generate or draw a good reference image first. But the payoff can be huge for multi-scene projects.

What Is Custom Model Training for AI Characters?

The most brute-force solution is training a custom AI model on your character.
Techniques like DreamBooth or LoRA fine-tuning allow the AI to literally learn your character's features so you can summon them with a special token.
For instance, you could train a mini-model on 10 images of "Milo" and then use the token <milo> in any prompt to get that exact character.
This yields the highest consistency, but it's technically complex and time-consuming. You'd need a decent GPU, time to train, and the know-how to integrate the model. Not practical for most casual creators.

What Are the Best AI Tools for Character Consistency?

Easiest of all is to use an application that was designed for character consistency from the ground up.
These platforms combine many of the above techniques behind the scenes, sparing you the heavy lifting.
For example, Neolemon's AI cartoon generator uses structured prompts and proprietary models under the hood to keep faces, outfits, and style steady across images. It essentially bundles reference image logic, controlled prompting, and optimized model settings into a simple workflow.
The tradeoff with dedicated tools is that they may constrain you to certain styles or require a subscription. But for most creators (especially those making children's books or comics), the time saved and headache avoided is well worth it.
Compare the approaches: ChatGPT vs Consistent Character AI

How to Use Other AI Tools for Character Consistency (2026)

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How to Use Other AI Tools for Character Consistency (2026)

Midjourney Character Reference: What Works in 2026

Recent Midjourney documentation indicates character reference capabilities have evolved in their latest version 7.
Older workflow: Character reference with weight controls
V7 workflow: Omni reference with weight control
Best practice: still include a clear text prompt; references don't replace prompting.
Practical takeaway: Midjourney can get you "similar," but for book-level consistency you'll usually need reference workflows + editing, and it's still more manual than a dedicated consistency pipeline.

OpenAI Image Generation: What Changed in 2026

OpenAI's image stack is now centered on gpt-image models, with gpt-image-1.5 positioned as their most advanced model for image generation.
Two big things matter for consistency:
Multi-turn editing (iterative edits reduce drift)
High input fidelity when editing images to preserve faces and distinctive features
Also: OpenAI's docs state DALL·E 2 and DALL·E 3 are deprecated and will stop being supported on May 12, 2026.
Practical takeaway: If you're building workflows with OpenAI models, "edit from a reference + high input fidelity" is the consistency move.

Stable Diffusion and Flux: Advanced Character Control

If you're in ComfyUI or local workflows, consistency usually comes from:
Identity conditioning (IP-Adapter, InstantID)
Pose control (ControlNet + OpenPose)
Training (LoRA/DreamBooth) when you need a locked character across many scenes
These are powerful, but the tradeoff is complexity.
Practical takeaway: If you want control, Stable Diffusion stacks are deep. If you want speed + consistency without managing weights, use a dedicated workflow tool.

Children's Book Publishing Requirements for AI Art

What DPI Do You Need for Amazon KDP?

KDP explicitly recommends at least 300 DPI for images in printed books, and notes very high resolutions can cause processing issues.
KDP also recommends a maximum 600 DPI to keep total file size manageable (and avoid manufacturing delays).
Practical implication: If your book trim size is 8.5" x 8.5", a full-page illustration should be created with enough pixels to fill that page at 300 DPI.

Do You Have to Disclose AI-Generated Book Illustrations?

KDP requires you to disclose AI-generated content when you publish (and they define what they mean by "AI-generated" vs. "AI-assisted").
This is a policy surface that can change, so always check the live KDP help page when you're about to publish.
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Can You Copyright AI-Generated Characters?

The U.S. Copyright Office's multi-part "Copyright and Artificial Intelligence" work is the best anchor for how this is being handled in the US.
• The USCO states Part 2 addresses copyrightability of outputs created using generative AI, and it reiterates human authorship as central.
• Reporting on the USCO Part 2 release highlights the same core point: purely AI-generated work isn't copyrightable, but AI-assisted work may be, depending on human contribution.
• A U.S. appeals court decision in March 2025 also reaffirmed that fully AI-generated art without human authorship isn't eligible for copyright protection.
Practical creator guidance (common-sense, not a legal opinion):
→ Treat AI images as raw material, not "final authorship"
→ Add meaningful human authorship: edits, compositing, layout, typography, story sequencing, and original written narrative
→ Keep your project files and drafts as evidence of what you authored

How Much Does AI Character Illustration Cost?

Illustration pricing varies wildly by illustrator, style, rights, deadlines, and whether you need cover + full spreads + layout.
Recent estimates commonly cite ranges like:
→ Flat fees in the low thousands to five figures per picture book
→ Or per-page rates in the low hundreds depending on complexity
These are not "official rates," just market snapshots. The right move is: get quotes, clarify rights, and don't under-scope the work.

Complete Checklist: AI Character Generation Workflow

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Before You Generate Anything

  • Character DNA written (fixed)
  • Style chosen (fixed)
  • Anchor pose chosen (standing, full body, smiling)

Generation Phase

  • Only then: build scenes (and only then: multi-character)

Publishing Phase

  • Export at print-ready resolution (target 300 DPI minimum for KDP)
  • Handle KDP AI-generated disclosure

Neolemon Resources for AI Character Creation

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Use these as "next step" links in the right sections:
Prompt Easy guide (best for beginners; free tool, no credits)
Character Turbo guide (anchor image creation; includes the "standing, full body, smiling" advice)
Action Editor guide (pose prompts; "change the action to...")
Expression Editor guide (facial control workflow)
Step-by-step Notion guide (multi-character + core workflow overview; updated November 6, 2025)
Neolemon blog hub (for deeper workflows and KDP publishing)
Free AI cartoon generator tool page (low-friction entry)
Photo to cartoon tool page (photo-based onboarding)
Pricing (convert when ready)
Video tutorials:

What Makes This Guide Different

Most prompt guides stop at "write better prompts."
The guide people pay for does this instead:
Gives a repeatable system (DNA → anchor → edits → scenes → print)
Provides templates for every stage (anchor, poses, expressions, multi-character)
Includes debugging logic (if face drifts, do this; if outfit drifts, do that)
Nails the publishing constraints (KDP 300 DPI, AI disclosure)
Stays current on platform/tool changes (like Midjourney v7 switching to omni reference, and OpenAI's DALL·E deprecation timeline)
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That's the bar.

Final Thoughts

Achieving character consistency in AI-generated cartoons is part art, part science.
The art is in how you clearly envision and define your character. The more you treat them like a real, specific individual, the better the AI will render them consistently.
The science is in how you communicate that vision to the machine through structured, unambiguous prompts repeated with precision.
With the five prompting strategies we covered:
One moment at a time (not story sequences)
One character at a time (not crowd scenes)
Positive-only language (no "without" or "not")
Ultra-specific details (character DNA anchors)
Complete prompts every time (AI doesn't remember)
You'll dramatically increase your odds of getting consistent results from any AI image generator.
Keep in mind that even with perfect prompts, AI may introduce the occasional quirk. Don't be discouraged; minor inconsistencies can often be fixed with a bit of editing or an extra generation or two.
In our experience, following these rules cuts down the trial-and-error significantly. Many creators have gone from burning dozens of credits on random outputs to getting a lovable, consistent character in just a handful of tries by adopting these techniques.
Finally, remember why you care about consistency: it makes your story world believable and your visuals professional.
When an AI-generated character stays recognizably the same from the first page to the last, your audience can form a connection. They're following the same hero on every step of the journey.
By mastering prompt consistency (and using helpful tools where needed), you ensure the focus stays on your story, not on distracting visual hiccups.
Ready to create consistent cartoon characters that actually stay consistent? Start free with Neolemon and generate your first character in under 60 seconds.
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Written by

Sachin Kamath
Sachin Kamath

Co-founder & CEO at Neolemon | Creative Technologist