Password Generator
Generate passwords locally with cryptographic randomness. Choose length and character sets, and see a conservative entropy estimate.
Open ToolAll Tools
16 browser tools for code, files, and everyday tasks. Choose a category below or use the site search to find a tool.
File and text processing runs locally. Browser Region Auditor makes external requests for its network checks. See our Privacy Details for analytics, advertising, and other page traffic.
Generators
Explore GeneratorsPassphrase Generator (XKCD)
Build random word passphrases locally with your browser’s cryptographic random source. Choose word count, separators, and an optional digit.
Open ToolUsername Generator
Generate creative, cool, and anonymous usernames for games, social media, and developer accounts.
Open ToolUUID / GUID Generator
Generate UUID v4 (random) and v7 (time-ordered) locally in your browser. Batch copy, formatting options, no server.
Open ToolArchives
Explore ArchivesArchive Extractor
Browse and extract Zip, 7z, RAR, Tar, and more in your browser. Your file never leaves this device. A password field appears only when you might need it.
Open ToolArchive to Zip
Turn RAR, 7z, Tar, and other archives into a single .zip download in your browser. Your file stays on this device.
Open ToolZip Creator
Combine files into a single .zip download. Add an optional password if you want the archive protected. ZIP Creator processes the files on your device. Other archive types (tar, 7z, ...) are not offered here.
Open ToolImages
Explore ImagesImage Stitcher
Combine multiple images into one downloadable picture. Add images, drag them on a canvas, choose a layout, and export on your device.
Open ToolImage Converter
Batch convert PNG, JPEG, WebP, and AVIF images locally in your browser with quality, resize, and ZIP download controls.
Open ToolFormatters
Explore FormattersJSON Formatter & Validator
Format, minify, and check JSON syntax locally. Preserve large numbers and original value tokens, with optional key sorting.
Open ToolJSON Diff & Text Diff Viewer
Compare JSON, API responses, configuration files, and plain text locally with line-level and word-level highlights.
Open ToolEncoders & Decoders
Explore Encoders & DecodersJWT Debugger
Decode JWT headers and payloads locally. Check supported signatures with your key; decoding alone does not verify a token.
Open ToolCertificate & CSR Decoder
Read a PEM certificate or CSR in this browser. See the subject, SANs, dates, public key, and fingerprints. Private keys are refused.
Open ToolBase64 & Base Converter
Encode and decode text with Base64, Base32, Base58, or Base62 in your browser. Encoding changes representation; it does not encrypt data.
Open ToolNetwork
Explore NetworkBrowser Region Auditor
Report browser language, timezone, fonts, webview bridges, network reachability, and IP geolocation as region hints.
Open ToolHAR Sanitizer
Redact query tokens, form passwords, and leftover cookies from a HAR file in your browser before sharing it with support.
Open Tool