Stringer puts 13 essential text transformation tools in your pocket — the ones you actually use every day as a developer
Stringer puts 13 essential text transformation tools in your pocket — the ones you actually use every day as a developer.
ENCODE & DECODE
• Base64 — Encode and decode Base64 strings instantly
• URL Encode — Percent-encode and decode URLs and query params
• JWT Decode — Paste a JWT, see header and payload immediately
• Number Base — Convert between decimal, hex, binary, and octal
• Timestamp — Unix timestamps to human dates and back
• HTML Entities — Encode and decode HTML entities
FORMAT
• JSON — Pretty-print, minify, or validate JSON with clear error messages
TRANSFORM
• Case Transform — camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and more
• Regex — Find matches or do regex replacements with live results
• Lines — Sort, reverse sort, deduplicate, or remove empty lines
GENERATE
• Hash Generator — MD5, SHA-1, and SHA-256 hashes
• UUID Generator — Generate 1, 5, 10, or 25 UUIDs at once
ANALYZE
• Text Stats — Characters, words, lines, paragraphs, and reading time
WHY STRINGER?
One-time purchase. No subscription.
Every tool runs instantly — no spinners, no loading.
100% on-device. Your text never touches a server.
Zero network requests. Zero analytics. Zero tracking.
Share Extension — select text anywhere, transform it, copy the result.
Favorites — star the tools you use most for instant access.
History — every transform saved locally so you can go back anytime.