Free Online Tools

A collection of helpful utilities for developers and content creators. 100% free, no account required, privacy-focused.

Developer & Content Creator Utilities

A collection of free online tools designed to help developers and content creators work more efficiently. All tools run entirely in your browser for maximum privacy - your data never leaves your device.

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6 of 34 tools

ChatGPT Converter

AI

Free online tool to convert ChatGPT shared conversations to PDF, Markdown, JSON, or DOCX formats. Preserve formatting including code blocks, tables, and syntax highlighting. No signup required.

  • Export to PDF, Markdown, JSON, or DOCX
  • Preserves code blocks with syntax highlighting
  • Maintains table formatting
  • Include or exclude user messages
Open Tool

AI Text Cleaner

AI

Free tool to remove invisible Unicode characters from AI-generated text. Clean zero-width spaces, direction marks, and other hidden characters that cause issues in code editors and documents.

  • Removes zero-width characters (ZWSP, ZWNJ, ZWJ)
  • Converts non-breaking spaces to regular spaces
  • Removes direction control characters
  • Shows detailed breakdown of found characters
Open Tool

Base64 Image Converter

Image

Free online tool to convert images to Base64 strings for embedding in HTML, CSS, or JSON. Also decode Base64 back to downloadable images. Supports PNG, JPEG, GIF, WebP, and SVG.

  • Convert images to Base64 strings
  • Decode Base64 back to images
  • Drag & drop file upload
  • Supports PNG, JPEG, GIF, WebP, SVG
Open Tool

Text Hasher & Encoder

Security

Free online hash generator and text encoder. Create Bcrypt, MD5, SHA-1, SHA-256, SHA-512 hashes. Encode to Base64, Hex, Binary, URL, Morse code, and ROT13. All processing done locally in your browser.

  • Bcrypt password hashing with salt
  • MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes
  • Base64, Hex, Binary, URL encodings
  • ROT13, Morse code, text reversal
Open Tool

Number Calculator

Developer

Free online number system converter and calculator. Convert between binary, hexadecimal, decimal, octal, and ASCII. Perform calculations in multiple bases and execute bitwise operations.

  • Convert between Binary, Hex, Decimal, Octal, ASCII
  • Calculator with Hex, Decimal, Binary modes
  • Bitwise operations: AND, OR, XOR, NOT, Shifts
  • Signed and unsigned integer interpretations
Open Tool

App Icon Generator

Generators

Free app icon generator for Google Play Console and Apple App Store Connect. Generate all required icon sizes for iOS, iPadOS, watchOS, macOS, and Android from a single image. Download as ZIP.

  • Generate all Google Play Console icon sizes
  • Complete iOS/iPadOS icon set (iPhone, iPad)
  • watchOS and macOS icon generation
  • High-quality image resizing
Open Tool

Available Tools

34
Active Tools
50+
Features
100%
Free & Private

Why Use Our Free Online Tools?

Privacy FirstAll processing happens locally - your data never leaves your browser
100% FreeNo hidden costs, no premium tiers, no limits - just free tools
No Account RequiredStart using tools immediately - no signup or login needed
Fast & ReliableOptimized for speed with instant results in your browser

About Our Free Developer Tools

Our collection of free online tools is designed to help developers, content creators, and anyone who works with digital content. Whether you need to convert ChatGPT conversations to PDF, clean hidden characters from AI-generated text, encode images to Base64, generate cryptographic hashes, or convert between number systems, we have you covered.

All our tools prioritize your privacy. Processing happens entirely in your browser using modern JavaScript APIs - no data is ever sent to our servers. This means you can safely use these tools with sensitive information.

We're constantly adding new tools based on user feedback and developer needs. If you have suggestions for tools you'd like to see, submit a tool request and we'll consider building it for you!