About Unformat.online
What it is
Unformat.online is a free, growing toolkit for developers: cleaning text, formatting code and data, querying files, decoding tokens, stripping hidden metadata, and more — nearly all of it running in your browser, nothing sent to any server. The full, current lineup is below.
We built this to solve the “Notepad dance” problem that developers face constantly: copying text from Slack, PDFs, documentation sites, and emails that carries invisible formatting garbage. Smart quotes that break code. Zero-width characters that cause mysterious syntax errors. Non-breaking spaces that mess up string comparisons.
What's included
This list is generated from the same registry that powers the site's homepage and navigation menu, so it always reflects every tool that's live today — and grows as we ship more.
Tidy up some text
Make data readable
Text Diff Checker
Compare two texts, JSON payloads, or config files and see exactly what changed, line by line.
Log File Viewer
Open multi-gigabyte log files instantly — chunked indexing and virtual scrolling handle 10GB+ files without freezing your tab.
FileSQL
Drop a CSV or JSON file and query it with SQL instantly — no upload, no server.
Format SQL
Format SQL for MySQL, PostgreSQL, BigQuery, T-SQL, and more — uppercase keywords, proper indentation.
Schema Visualizer
Paste CREATE TABLE statements and get an ER diagram instantly — tables, columns, keys, and foreign-key relationships.
Format JSON
Prettify or minify JSON. Auto-fixes single quotes, trailing commas, and unquoted keys.
Format YAML
Format and validate YAML. Catches indentation errors in Kubernetes, Docker Compose, and GitHub Actions files.
Format XML
Indent and pretty-print XML. Works with SOAP, RSS, Maven POM, Android manifests, and SVG.
Inspect & stay safe
JWT Debugger
Decode JWTs instantly — view all claims, check expiry, and see the algorithm. Token never leaves your browser.
Shredder
Remove EXIF, GPS, and author metadata from images and PDFs. Redact secrets from text and log files.
SSL Certificate Checker
Check any domain's SSL/TLS certificate — expiry, issuer, and Subject Alternative Names.
PDF Tools
Merge, split, rotate, or sign PDFs, fill in forms, and add text — entirely in your browser, nothing uploaded.
Convert & schedule
CronScope
Paste a cron schedule and see every run on a 12-month calendar. Never misread a cron expression again.
Regex Tester
Test regex patterns against sample text with live-highlighted matches, or pick from a library of ready-made patterns — no regex knowledge required.
Base64
Encode text or files to Base64, or decode Base64 strings and preview images inline.
URL Encode / Decode
Encode URLs or decode percent-encoded strings like %20, %3D, %26 — instantly.
UUID Generator
Bulk-generate cryptographically random v4 UUIDs using crypto.randomUUID(). Copy one or all at once.
Technology & privacy
Built with Next.js, TypeScript, and Tailwind CSS. Uses the sql-formatter library for SQL beautification and native JavaScript APIs for text cleaning and JSON formatting.
Nearly everything happens in your browser — the SSL Certificate Checker is the one exception. Your text, files, and queries never leave your device. No behavioral tracking, no cookies, no ads — just an anonymous visit counter and aggregate analytics (see our Privacy Policy). This is especially important when working with sensitive photos, internal documents, API responses, and database queries.
Who builds this
Unformat.online is an independent project, started to solve a daily developer frustration and shared freely to help others save time and avoid copy-paste formatting headaches. Get in touch if you have feedback or ideas.