Free online tools
for developers

No installs, no signup — run our tools right in your browser. Free forever, and your data never leaves your device.

All Tools

Free, privacy-first tools that run entirely in your browser

JSON Formatter

Beautify, validate and minify JSON data with ease

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Image Compressor

Compress JPG, PNG and WebP images right in your browser

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Password Generator

Generate strong random passwords with custom length and character sets

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Base64 Encoder / Decoder

Encode and decode text or files to and from Base64

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Image to Base64 Converter

Convert images to Base64 strings and back, with preview and copy

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URL Encoder / Decoder

Encode and decode URLs and query parameters

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Base Converter

Convert numbers between binary, octal, decimal and hex

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QR Code Generator

Generate QR codes from text or links with customizable size

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JSON to CSV Converter

Convert JSON data to CSV for spreadsheets and analysis

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UUID Generator

Generate standard UUIDs, with batch and case options

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MD5 Hash Generator

Compute MD5 hashes of text for checksums and verification

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Text Diff Checker

Compare two texts and highlight additions, deletions and changes

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Text Formatter

Case conversion, camelCase, snake_case and more in one click

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Word Counter

Count characters, words, lines and sentences in real time

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SQL Formatter

Beautify and format SQL statements for readability

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Regex Tester

Write and test regular expressions with live match preview

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Excel / CSV Template Generator

Generate templated statements from Excel/CSV rows with placeholders

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YAML Formatter

Beautify, validate and convert YAML to and from JSON

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