JSON Formatter
Format, validate and minify JSON, convert to/from YAML and query with JSONPath.
Developer & PDF tools, ready in your browser.
A free collection of fast utilities. No account, nothing to install — most tools run entirely on your device, so your files never leave your machine.
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Developer
13JSON to Types
Turn JSON into TypeScript, Python, Rust, Kotlin, Java, JSON Schema and more.
JWT Decoder
Decode JWT headers and claims, and verify the signature.
Hash Generator
Compute MD5, CRC32, SHA and keyed HMAC digests of text or a file.
Text Diff
Compare two blocks of text line by line, in a split or unified view.
Regex Tester
Test a regular expression live, with match highlighting and capture groups.
Cron Explainer
Read a cron expression in plain English and preview its next run times.
QR Code Generator
Turn text, a URL or Wi-Fi details into a QR code and download it as PNG or SVG.
Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase and a slug.
SQL Formatter
Format and beautify SQL for a dozen dialects, right in your browser.
Code Formatter
Beautify HTML, CSS, JS, TypeScript, JSON, Markdown, YAML, GraphQL and XML.
UUID Generator
Generate random v4 or time-ordered v7 UUIDs in bulk.
Color Converter
Convert HEX, RGB, HSL, OKLCH and LAB, generate palettes and check WCAG contrast.
Converter
3Base64 Converter
Encode and decode text or files to and from Base64.
Image Compressor
Shrink PNG and JPEG images to JPEG or WebP, right in your browser.
Timestamp Converter
Convert between Unix timestamps and human-readable dates.
Document
7Markdown Editor
Write Markdown with a live, side-by-side preview.
PDF Convert
Turn a PDF into an editable Word or rich-text file.
PDF OCR
Make a scanned PDF searchable and selectable with text recognition.
PDF Compress
Shrink a PDF by downsampling the images inside it, with real size savings.
PDF Viewer
Open and read a PDF with thumbnails, search and zoom — no upload.
PDF Merge
Combine several PDF files into a single document.
PDF Split
Extract selected pages from a PDF, or split it into one file per page.