Simple tools that respect your privacy
Compress images, merge PDFs, convert units, format JSON and more — all running locally in your browser, in your language.
Private by design
Files are processed on your device with WebAssembly and Canvas. Nothing is uploaded to a server.
Instant & offline-friendly
No round trips to a server means results are immediate, even on a slow connection.
Built for the world
Available in multiple languages with locale-aware number, date and currency formatting.
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Browse by category
File conversion & compression
Compress and convert images and PDFs entirely in your browser — no uploads.
37tools
Units, currency, time & numbers
Convert between units, currencies, time zones and number bases.
19tools
Developer & text utilities
Format, encode, decode, hash and inspect text and data.
37tools
Security & encryption
Generate passwords, hashes, tokens and encrypt text — all in your browser with Web Crypto.
18tools
Design & CSS
Generate CSS gradients, shadows and color scales and check contrast — copy-ready code.
25tools
SEO & marketing
Build meta tags, Open Graph, UTM links and other SEO snippets in your browser.
9tools
Generators
Generate QR codes, sample data and other handy outputs — entirely client-side.
2tools
Productivity
Timers, random pickers, emoji and other focus and everyday productivity tools — all in your browser.
4tools
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Popular tools
HEIC to JPG Converter
Convert iPhone HEIC photos to JPG, PNG, or WebP in your browser — adjust quality, resize large images, and keep or strip EXIF, with no uploads.
Image Compressor
Compress JPG, PNG, WebP, and AVIF images in your browser: set quality, target a file size, downscale, batch many files, and download a ZIP.
Image Converter
Convert images between PNG, JPG and WebP formats locally — no upload.
Image Resizer & Cropper
Batch-resize images by pixels or percent, apply social and avatar presets, pick contain/cover/stretch fit, export PNG/JPEG/WebP, and download all as a ZIP.
Image to PDF
Combine JPG and PNG images into one PDF locally, with A4, Letter, or original page sizes, margins, fit, centering, multi-image layouts, and drag reordering.
Merge PDF
Combine PDF files into one: drag to reorder, choose a page range per file, interleave pages, and preview the result — fully client-side.
Organize PDF Pages
Rotate, delete and reorder PDF pages without uploading your file.
Split PDF
Extract a page range, split by page count or size, and pick pages visually in your browser, with an optional single ZIP download.