Tools
Small utilities that do one job well. Every tool runs entirely in your browser: nothing you add is uploaded, and your files never leave your device. No accounts needed.
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Image Compressor & Metadata Stripper
Shrink and resize photos, and remove hidden EXIF data like GPS location, without uploading them.
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PDF Merge, Split & Reorder
Combine PDFs, reorder, rotate or delete pages, and split into separate files, all offline.
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Image to PDF & HEIC Converter
Turn photos (including iPhone HEIC) into one PDF, or convert HEIC to JPEG/PNG, all on your device.
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QR Code Generator
Make QR codes for links, Wi-Fi logins, contacts, email and SMS. Download PNG or SVG.
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Password & Passphrase Generator
Strong random passwords and memorable diceware passphrases, from your device's secure randomness.
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JSON ⇄ CSV Converter & Formatter
Convert between JSON and CSV, and pretty-print, validate or minify JSON with clear error locations.
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Text Diff
See exactly what changed between two versions of text, line by line or word by word.
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Sunrise, Sunset, Golden Hour & Moon Phase
Sunrise, sunset, twilight, golden and blue hour, and the moon phase for any place and date, worked out on your device.
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Word Counter & Readability Checker
Count words, characters, sentences and reading time, and check Flesch reading ease and grade level as you type.
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Developer Kit: Checksums, Base64, JWT & Timestamps
File checksums (SHA-256, SHA-1, MD5), Base64 encode/decode, JWT decoder and Unix timestamp converter in one page.
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