Developer Tools
26 free browser tools
Format code-adjacent data, decode tokens, test regex, generate hashes, and prepare implementation snippets.
Base64 Encoder and Decoder
Convert text to Base64 or decode Base64 back to text directly in your browser.
File Hash Generator
Create checksums for files or pasted text so you can compare downloads, verify exports, and share file fingerprints.
Image to Base64 Converter
Turn a local image into a Base64 data URL for quick previews, CSS tests, email templates, or small embedded assets.
HTML Minifier and Formatter
Format messy HTML for review or minify snippets before pasting them into templates, CMS blocks, emails, or test pages.
JSON to TypeScript Types
Turn a JSON sample into TypeScript interfaces so developers can quickly type API responses, config files, and mock data.
JSON Formatter & Validator
Format JSON to readable indented output or minify it, while validating syntax and showing parse errors.
HTML Escape and Unescape
Convert HTML-sensitive characters to entities or turn entities back into readable text.
Slug Generator
Convert phrases to web-friendly slugs with separator and lowercase controls.
UUID Generator
Generate multiple UUID v4 values locally for IDs, dedupe tasks, and testing workflows.
Password Generator
Generate password strings locally with optional numbers and symbols for quick team and account workflows.
Regex Tester
Run a regex pattern against text and inspect match index/value pairs, with clear error handling for invalid patterns.
Color Converter
Convert color values between HEX, RGB, and HSL formats and copy CSS-ready output.
JWT Decoder
Decode JWT tokens locally in your browser and inspect header and payload without validating the signature.
JSON Path Extractor
Extract a value from JSON by path using dot notation and array indexes, with clear Not found handling.
CSS Minifier & Formatter
Use one pass to minify CSS for deployment or format it into readable style blocks.
px to rem Converter
Convert values between px and rem with one click and copy the output for CSS work.
Cron Expression Explainer
Decode common cron schedules before adding them to jobs, monitors, reports, or automations.
HTTP Status Code Lookup
Find what common HTTP response codes mean and what to check next.
Color Palette Generator
Create a practical color palette from one HEX value for UI mockups, landing pages, brand drafts, and quick design work.
CSS Gradient Generator
Build a clean CSS gradient, preview it instantly, and copy production-ready background CSS.
Number Base Converter
Convert developer-friendly number bases for debugging, networking, bit flags, and quick programming references.
CSS Clamp Generator
Create responsive CSS clamp values for typography and spacing without hand-calculating viewport formulas.
Box Shadow Generator
Build practical CSS shadows with a live preview and copy the exact box-shadow declaration.
Border Radius Generator
Tune each corner radius, preview the shape, and copy a clean CSS border-radius declaration.
XML Formatter and Validator
Paste XML, validate whether it parses, and get readable indented XML output.
JSON Schema Validator
Paste JSON and a schema to check required fields, types, and validation errors.