Developer tool categories
Browse 12 developer tool categories - JSON Tools, Encoding, Developer, Hash & Checksum, PDF Tools, Documents, Text Tools, Image Tools, SEO Tools, Converters, AI Tools, and Utilities - private, browser-based utilities on Tools by RS.
JSON Tools
Format, validate, convert, and inspect JSON in the browser.
6 tools
Encoding
Base64, URL encode/decode, HTML entities, and text encoding utilities.
8 tools
Developer
JWT decode, UUID, regex tester, timestamps, Markdown preview, and everyday helpers.
11 tools
Hash & Checksum
SHA digests and checksum helpers that run entirely client-side.
1 tools
PDF Tools
Merge, split, rotate, compress, and convert PDFs privately in your browser.
18 tools
Documents
HTML and Office-oriented document conversions with honest, local-first processing.
4 tools
Text Tools
Case converter, word counter, text diff, slug generator, and lorem ipsum - private text utilities.
5 tools
Image Tools
Compress, resize, convert, and crop images privately in your browser - JPG, PNG, WebP.
4 tools
SEO Tools
Meta tag generator, robots.txt tester, SERP preview, and Open Graph debugger - private SEO utilities.
4 tools
Converters
Convert JSON, XML, YAML, CSV, TSV, RSS, and strings between formats in your browser.
22 tools
AI Tools
Local-first helpers for JSON Schema inference and regex explanations - optional rate-limited API enhancement.
2 tools
Utilities
QR code generator, color converter, and WCAG contrast checker - everyday utilities that stay in your browser.
4 tools