Presend — Free Privacy Tools That Run in Your Browser

48 free browser-based tools to clean, compress, convert and check your files before you share them. Nothing is ever uploaded.

Open Presend

Why Presend?

Unlike most online tools, Presend processes everything locally in your browser. Your files, photos, and documents never leave your device. No account, no upload, no tracking, no ads.

• 100% Private — Web Crypto API, Canvas API, FileReader — all client-side
• Instant — Cloudflare CDN, loads in under 1 second globally
• PWA — Install on mobile/desktop, works offline
• SEO-Optimized — Schema.org markup (HowTo, FAQPage, SoftwareApplication), dynamic sitemap, Open Graph images
• Free Forever — No freemium, no watermarks, no limits

Tools (22)

Tool	What it does	Link
EXIF Remover	Strip GPS, camera model, timestamps from photos	Open
PDF Metadata Remover	Remove author, software, dates from PDFs	Open
Image Compressor	Shrink JPG/PNG/WebP with quality preview	Open
PDF Compress	Reduce PDF file size without quality loss	Open
PDF Merger	Combine multiple PDFs into one document	Open
Image Resizer	Resize to exact dimensions (Instagram, LinkedIn, Twitter)	Open
HEIC to JPG Converter	Convert iPhone photos to universal JPG	Open
Video Metadata Remover	Strip GPS and device data from MP4/MOV	Open
Office Metadata Remover	Clean Word, Excel, PowerPoint hidden data	Open
File Hash Checker	Verify SHA-256, SHA-1, SHA-512 checksums	Open
Password Generator	Create cryptographically secure passwords	Open
Password Strength	Analyze password entropy and crack time	Open
QR Code Generator	Generate QR codes for URLs, WiFi, text	Open
URL Cleaner	Remove tracking parameters (UTM, fbclid, gclid)	Open
Email List Cleaner	Deduplicate, validate, clean email lists	Open
JSON to CSV Converter	Convert between JSON and CSV instantly	Open
Image to Base64	Encode images for embedding in HTML/CSS	Open
Text Diff	Compare two texts side by side	Open
Text Formatter	Bold, italic, stylized text for social media	Open
Thread Splitter	Split long text into Twitter/X threads	Open
Word Counter	Count words, characters, reading time	Open
Color Contrast	Check WCAG accessibility contrast ratios	Open

SEO and Performance

Presend is built for search engines and AI assistants:

• Schema.org: HowTo, FAQPage, SoftwareApplication, BreadcrumbList, Organization on every page
• Dynamic Sitemap: 842 URLs auto-updated (40 tools + blog/guide pages, across 8 languages)
• Dynamic OG Images: API generates social preview images per tool
• Core Web Vitals: Preconnect, DNS-prefetch, CSS preload, zero render-blocking JS
• PWA: Service worker + manifest for offline use and installability
• Privacy-First Analytics: Cloudflare Web Analytics (no cookies, no IP tracking)

Embed on Your Site

Add a Presend tool to your website or link back to us:

See all embed options

Tech Stack

• Frontend: Vanilla HTML5, CSS3, ES6 (zero build step)
• Hosting: Cloudflare Pages (200+ edge locations)
• APIs: Cloudflare Workers (share links, analytics, sitemap, OG images)
• Storage: Cloudflare KV (share links, 30-day TTL)
• PWA: Service Worker + Web App Manifest

License

MIT — free to use, modify, and embed.

Open Presend

build trigger ven. 21 août 2026 10:18:19 CEST