Developer Tools

Tools that respect
your data.

23 browser-based utilities: text, encoding, security, PDF, and data tools. All local, no uploads.

Everything runs locally. No data leaves your browser

Text & Data

JSON Formatter

Format, validate, and minify JSON. Syntax errors highlighted inline.

Base64 Encode/Decode

Encode text or decode Base64 strings instantly in your browser.

URL Encoder/Decoder

Encode and decode URL components and full URLs.

Diff Checker

Compare two blocks of text and highlight the differences line by line.

Regex Tester

Test regular expressions with live match highlighting and group capture.

Color Converter

Convert between HEX, RGB, HSL, and HSB color formats.

Unix Timestamp

Convert between Unix timestamps and human-readable dates.

Security

JWT Decoder

Decode and inspect JWT tokens. Header, payload, and expiry at a glance.

UUID Generator

Generate cryptographically random UUIDs (v4) in bulk.

Password Generator

Generate strong random passwords with configurable rules.

Hash Generator

Generate SHA-256 and SHA-512 hashes from any text input.

PII Scanner

Scan text or files for emails, phone numbers, credit cards, API keys, and more. Redact instantly.

PDF

Merge PDF

Combine multiple PDF files into one. Drag to reorder pages before merging.

Split PDF

Extract a range of pages from a PDF into a new file.

Compress PDF

Reduce PDF file size by removing metadata and compressing content streams.

Rotate PDF

Rotate all pages or individual pages in a PDF by 90°, 180°, or 270°.

Remove Pages

Select and delete specific pages from a PDF, keeping the rest.

Add Watermark

Stamp a custom text watermark on every page with adjustable opacity and angle.

Add Page Numbers

Stamp page numbers on every page. Choose position, format, and starting number.

PDF to JPG

Convert each page of a PDF to a JPG image. Download individually or as a ZIP.

Data

CSV Viewer

View, search, sort, and filter CSV files in a clean table. Supports large files with pagination.

Data Profiler

Instantly profile a CSV: row counts, missing values, column types, and top values.

CSV ↔ JSON

Convert CSV to JSON or JSON to CSV. Auto-detects types: numbers, booleans, and nulls.

100% private. All processing happens in your browser

Your code, tokens, passwords, files, and data are never transmitted to any server. No account, no tracking.

Tools that respectyour data.