Private, browser-first developer tools
ToolMorph is a set of private, browser-first developer utilities. Format JSON, inspect JWTs, encode Base64, convert CURL, compress images, and more — no signup, and your input stays in your tab whenever the tool can run locally.
Featured tools
A few of the tools, all running locally in your browser.
Timestamp converter
Unix seconds or milliseconds ↔ calendar dates — local and UTC.
Base64 to image
Paste a payload, preview, and copy a normalized data URL.
JSON formatter
Format, validate, or minify JSON in the browser — instant error hints.
JWT decoder
Inspect header, payload, and exp claim. Signature not verified in-browser.
CURL ↔ fetch converter
Convert curl, fetch, and axios snippets—preserve headers and bodies.
QR code generator
Custom QR codes for URLs, WiFi, WhatsApp—PNG/SVG download with logo support.
Browse by category
Tools are grouped into focused hubs—each with its own landing page for quicker discovery.
JSON tools
Free JSON tools in your browser: format and validate JSON, compare two payloads with a diff checker, and minify for APIs—all local, no signup.
Explore json tools →Encoding tools
Free encoding utilities: Base64 encode/decode, image ↔ Base64 converters, URL percent-encode/decode, QR code generator, and image compressor—all local, no signup.
Explore encoding tools →Security tools
Free security tools for developers: JWT decoder for header and payload inspection, bcrypt password hash generator, plus SHA-256 and MD5 digests—all computed locally in your browser.
Explore security tools →API & data tools
API-era utilities: convert curl to fetch or axios, build cron expressions, test regex, generate UUIDs, convert timestamps, and build XML sitemaps—all client-side.
Explore api & data tools →Blog
Guides on Base64, JWT, sitemaps, and developer workflows — paired with the tools above.