Free Alternatives to Popular Developer Tools

Toolpilot replaces dozens of popular developer tools — with 100% browser-based tools that are faster, more private, and completely free. Find your free alternative below.

100%

Client-side — no data upload

0

Accounts required

20+

Free developer tools

Security & Encoding

Free CyberChef Alternative

The Cyber Swiss Army Knife — a web app for encryption, encoding and analysis

B64 Base64 Encode/Decode # MD5 & SHA Hash Generator %20 URL Encode/Decode &; HTML Entity Encoder 🔓 JWT Decoder
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Free JWT.io Alternative

JSON Web Tokens debugger — decode, verify and generate JWTs

🔓 JWT Decoder
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Developer Tools

Free JSONFormatter.org Alternative

JSON formatter, validator and converter online

{ } JSON Formatter 📊 JSON to CSV Converter
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Free cssminifier.com Alternative

Simple, fast CSS minifier online

{} CSS Minifier
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Free RegExr Alternative

Online regex editor, tester and reference

.* Regex Tester
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Free regex101.com Alternative

Online regex builder and tester with debugger

.* Regex Tester
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Free uuidgenerator.net Alternative

Free online UUID v1 and v4 generator

ID UUID Generator
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Free Diffchecker Alternative

Online diff tool for comparing text differences

± Text Diff Checker
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Free EpochConverter.com Alternative

Unix timestamp and epoch converter online

⏱ Unix Timestamp Converter
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Free ColorPicker.online Alternative

Online color picker and color code converter

🎨 Color Converter
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Free DevToys Alternative

Swiss Army knife for developers — offline desktop app

{ } JSON Formatter B64 Base64 Encode/Decode %20 URL Encode/Decode # MD5 & SHA Hash Generator ID UUID Generator 🔓 JWT Decoder .* Regex Tester 🎨 Color Converter Aa Text Case Converter &; HTML Entity Encoder
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Free JSON Formatter Tools Alternative

Compare the best free JSON formatting and validation tools online

{ } JSON Formatter 📊 JSON to CSV Converter
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Free Base64 Encoder Tools Alternative

Compare the best free Base64 encoding and decoding tools online

B64 Base64 Encode/Decode 🖼 Image to Base64 Converter
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Free URL Encoder Tools Alternative

Compare the best free URL encoding and decoding tools online

%20 URL Encode/Decode
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Free Hash Generator Tools Alternative

Compare the best free MD5, SHA hash generator tools online

# MD5 & SHA Hash Generator
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Free UUID Generator Tools Alternative

Compare the best free UUID/GUID generator tools online

ID UUID Generator
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Free Color Converter Tools Alternative

Compare the best free color conversion and picker tools online

🎨 Color Converter
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Free Regex Tester Tools Alternative

Compare the best free regular expression testing and debugging tools

.* Regex Tester
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Free Timestamp Converter Tools Alternative

Compare the best free Unix timestamp conversion tools online

⏱ Unix Timestamp Converter
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Free HTML Entity Encoder Tools Alternative

Compare the best free HTML entity encoding and decoding tools

&; HTML Entity Encoder
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Free CSS Minifier Tools Alternative

Compare the best free CSS minification and compression tools online

{} CSS Minifier
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Free Diff Checker Tools Alternative

Compare the best free text diff and comparison tools online

± Text Diff Checker
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Free JSON to CSV Converter Tools Alternative

Compare the best free JSON to CSV conversion tools online

📊 JSON to CSV Converter
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Free JWT Decoder Tools Alternative

Compare the best free JWT decoding and debugging tools online

🔓 JWT Decoder
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Free Image to Base64 Converter Tools Alternative

Compare the best free image to Base64 conversion tools online

🖼 Image to Base64 Converter
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Encoding Tools

Free base64.guru Alternative

Base64 encode and decode online — all variants supported

B64 Base64 Encode/Decode 🖼 Image to Base64 Converter
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Free Online-Convert.com Alternative

Free online file converter for images, audio, video and documents

🖼 Image to Base64 Converter B64 Base64 Encode/Decode
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Free HTML Entities Online Tools Alternative

Encode and decode HTML entities online

&; HTML Entity Encoder
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Content Tools

Free Markdown Live Preview Alternative

Real-time Markdown preview in your browser

Md Markdown Preview
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Free lipsum.com Alternative

Lorem ipsum placeholder text generator

Aa Lorem Ipsum Generator
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Free wordcounter.net Alternative

Free word count and character count tool

Wc Word & Character Counter
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Free TextCase.me Alternative

Online text case converter — uppercase, lowercase, title case

Aa Text Case Converter
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Free Lorem Ipsum Generator Tools Alternative

Compare the best free lorem ipsum and placeholder text generators

Aa Lorem Ipsum Generator
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Free Word Counter Tools Alternative

Compare the best free word counter and text analysis tools online

Wc Word & Character Counter
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Free Markdown Preview Tools Alternative

Compare the best free online Markdown editors and previewers

Md Markdown Preview
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Free Text Case Converter Tools Alternative

Compare the best free text case conversion tools online

Aa Text Case Converter
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Free QR Code Generator Tools Alternative

Compare the best free QR code generator tools online

QR QR Code Generator
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Security Tools

Free passwordsgenerator.net Alternative

Strong password generator online

🔑 Password Generator
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Free MD5HashGenerator.com Alternative

Free online MD5 hash generator

# MD5 & SHA Hash Generator
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Free 1Password Alternative

Password manager for teams and individuals

🔑 Password Generator # MD5 & SHA Hash Generator ID UUID Generator
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Free LastPass Alternative

Password manager for personal and business use

🔑 Password Generator # MD5 & SHA Hash Generator B64 Base64 Encode/Decode
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Free Password Generator Tools Alternative

Compare the best free password generator tools online

🔑 Password Generator
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API Development

Free Postman Alternative

API platform for building, testing & documenting APIs

🔓 JWT Decoder { } JSON Formatter B64 Base64 Encode/Decode %20 URL Encode/Decode 📊 JSON to CSV Converter
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Free Insomnia Alternative

Open-source API client for REST, GraphQL & gRPC

🔓 JWT Decoder { } JSON Formatter %20 URL Encode/Decode B64 Base64 Encode/Decode
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Free RapidAPI Alternative

API marketplace and testing platform

🔓 JWT Decoder { } JSON Formatter %20 URL Encode/Decode B64 Base64 Encode/Decode ⏱ Unix Timestamp Converter 📊 JSON to CSV Converter
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Security & Authentication

Free JWT.io Alternative

JSON Web Token debugger and library directory by Auth0

🔓 JWT Decoder B64 Base64 Encode/Decode { } JSON Formatter
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Design Tools

Free Figma Alternative

Collaborative UI design tool for teams

🎨 Color Converter Aa Lorem Ipsum Generator QR QR Code Generator 🖼 Image to Base64 Converter {} CSS Minifier
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Free Adobe Photoshop Alternative

Professional image editing software by Adobe — $22.99/mo

🎨 Color Converter 🖼 Image to Base64 Converter QR QR Code Generator {} CSS Minifier
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Free Canva Alternative

Online graphic design platform — free tier with paid Pro plan

🎨 Color Converter QR QR Code Generator Aa Lorem Ipsum Generator 🖼 Image to Base64 Converter
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AI & Productivity

Free ChatGPT Alternative

AI conversational assistant by OpenAI

{ } JSON Formatter ID UUID Generator B64 Base64 Encode/Decode # MD5 & SHA Hash Generator .* Regex Tester 🔑 Password Generator
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Content & Writing

Free Notion Alternative

All-in-one workspace for notes, docs & project management

Md Markdown Preview Wc Word & Character Counter Aa Text Case Converter Aa Lorem Ipsum Generator ± Text Diff Checker
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Code Editors

Free Sublime Text Alternative

Sophisticated text editor for code — $99 license

.* Regex Tester ± Text Diff Checker { } JSON Formatter Md Markdown Preview Aa Text Case Converter {} CSS Minifier
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