Text and Dev Tools

Text and developer utilities

Small browser utilities for JSON cleanup, QR generation, and everyday text or web workflow tasks.

Tools

Choose a text and developer workflow

These tools round out the suite with fast utilities for developers, marketers, and no-code teams.

JSON Formatter Format, minify, and validate JSON in a clean browser-based workspace.

QR Code Generator QR code generator for links, menus, posters, and labels — with custom colours, logo overlay, and ECC tuned automatically so the code still scans.

JSON to CSV Converter — Free, In Your Browser Convert json to csv in your browser. Paste a JSON array of objects and download a clean RFC 4180 CSV. No upload, no signup, no watermark.

JSON to YAML Converter — Free, In Your Browser Convert json to yaml in your browser. Paste JSON and copy or download YAML 1.2 with reserved-word quoting handled. No upload, no signup, no watermark.

JSON to XML Converter — Free, In Your Browser Convert json to xml in your browser. Paste JSON and download well-formed XML 1.0 with sanitized element names. No upload, no signup, no watermark.

Case Converter — Free, In Your Browser Case converter for upper, lower, title, sentence, camel, Pascal, snake, kebab, and constant case. Runs in your browser. No upload, no signup.

Word Counter - Free, In Your Browser Use a free word counter in your browser. Count words, characters, sentences, paragraphs, reading time, and repeated terms. No upload.

CSV to JSON Converter — Free, In Your Browser Convert csv to json in your browser. RFC 4180 parser handles quoted fields, embedded commas, CRLF/LF, and delimiter detection. No upload.

YAML to JSON Converter — Free, In Your Browser Convert yaml to json in your browser. eemeli/yaml parser handles anchors, aliases, multi-document files, and timestamps. No upload.

XML to JSON Converter — Free, In Your Browser Convert xml to json in your browser. Native DOMParser handles attributes, repeated siblings, namespaces, CDATA, and comments. No upload.

JSON Diff Tool — Compare JSON Online Compare two JSON files or pasted values in your browser. Structural json diff with JSON Pointer paths, ignored key order, and no upload.

Base64 Decoder — Free, In Your Browser Use a free base64 decoder in your browser. Decode Base64 to text or files, with URL-safe, padding repair, and data: URI support. No upload.

Base64 Encoder Online — Encode Text or Files Use a free base64 encoder online for text, files, data URIs, and URL-safe output. Runs in your browser with no upload or signup.

URL Decoder — Free, In Your Browser Use a free url decoder in your browser. Decode percent-encoded URLs, query strings, and OAuth redirects locally. No upload, no signup.

URL Encoder Use a free url encoder in your browser. Percent-encode text for URLs with RFC 3986 strict mode. No upload, no signup.

JWT Decoder — Free, In Your Browser Use a free jwt decoder in your browser to read JWT header and payload. Base64URL decode, exp and iat highlighted, browser-local. No signature verification.

UUID Generator — Free, In Your Browser Free uuid generator in your browser. v4 and v7, bulk up to 1000, hyphenated/braces/uppercase formats, RFC 4122 + RFC 9562. No upload, no signup.

Free Hash Generator — SHA-256 & SHA-512 Checksums Free hash generator for SHA-256, SHA-384, SHA-512, and SHA-1 hashes from text or files in your browser. Hex or Base64. No upload, no signup.

Regex Tester — JavaScript, In Your Browser Free regex tester for JavaScript patterns. Test matches, groups, flags, and replace previews in your browser with a worker timeout.

Markdown to HTML Converter — Free, In Your Browser Convert markdown to html in your browser. Escape raw HTML by default, preview in a sandboxed frame, and copy or download HTML. No upload.

Planned next

More text and developer tools under consideration

These are not live tools yet. Tell us which ones would help your workflow most.

Planned HTML to Markdown Convert pasted HTML into Markdown for docs, CMS work, and notes.

Why this category

Built around repeat jobs

These tools round out the suite with fast utilities for developers, marketers, and no-code teams.

Free workflow

Start without setup

Open a tool, upload or paste your input, choose settings, and download the result without creating an account.

More headroom

Passes for heavier jobs

Day and Project Passes raise file and batch ceilings on the workflows that need more space.

FAQ

Text and Dev Tools questions

Are these tools free?

Yes. Every tool is free to use. Optional Day and Project Passes are available if you need higher file-size or batch limits.

Do files leave my browser?

Most tools process files locally in your browser. Any tool that needs server processing will tell you clearly before you upload.