40 free, privacy-first browser-based tools to clean, compress, convert and check files. No upload, no server, no tracking.
- ✓Open-source license (MIT)
- ✓Actively maintained (<30d)
- ✓Clear description
- ✓Topics declared
- ✓Documented (README)
git clone https://github.com/presendapp/presendTools overview
# Presend — Free Privacy Tools That Run in Your Browser [](https://presend.pages.dev) [](https://github.com/presendapp/presend/actions/workflows/api-tests.yml) [](https://presend.pages.dev) [](https://presend.pages.dev/api) [](https://god.gw.postman.com/run-collection/57808683-783f3f64-0f9f-433e-95f6-518520d14ccf?action=collection%2Ffork&collection-url=entityId%3D57808683-783f3f64-0f9f-433e-95f6-518520d14ccf%26entityType%3Dcollection%26workspaceId%3D8ffb507b-4140-4e42-8a44-fd6926d0b25b) [](LICENSE) [](https://presend.pages.dev) [](https://presend.pages.dev/privacy) **48 free browser-based tools to clean, compress, convert and check your files before you share them. Nothing is ever uploaded.** [Open Presend](https://presend.pages.dev) ## 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](https://presend.pages.dev/tools/exif-remover) | | **PDF Metadata Remover** | Remove author, software, dates from PDFs | [Open](https://presend.pages.dev/tools/pdf-metadata-remover) | | **Image Compressor** | Shrink JPG/PNG/WebP with quality preview | [Open](https://presend.pages.dev/tools/image-compressor) | | **PDF Compress** | Reduce PDF file size without quality loss | [Open](https://presend.pages.dev/tools/pdf-compress) | | **PDF Merger** | Combine multiple PDFs into one document | [Open](https://presend.pages.dev/tools/pdf-merger) | | **Image Resizer** | Resize to exact dimensions (Instagram, LinkedIn, Twitter) | [Open](https://presend.pages.dev/tools/image-resizer) | | **HEIC to JPG Converter** | Convert iPhone photos to universal JPG | [Open](https://presend.pages.dev/tools/heic-converter) | | **Video Metadata Remover** | Strip GPS and device data from MP4/MOV | [Open](https://presend.pages.dev/tools/video-metadata-remover) | | **Office Metadata Remover** | Clean Word, Excel, PowerPoint hidden data | [Open](https://presend.pages.dev/tools/office-metadata-remover) | | **File Hash Checker** | Verify SHA-256, SHA-1, SHA-512 checksums | [Open](https://presend.pages.dev/tools/file-hash-checker) | | **Password Generator** | Create cryptographically secure passwords | [Open](https://presend.pages.dev/tools/password-generator) | | **Password Strength** | Analyze password entropy and crack time | [Open](https://presend.pages.dev/tools/password-strength) | | **QR Code Generator** | Generate QR codes for URLs, WiFi, text | [Open](https://presend.pages.dev/tools/qr-code-generator) | | **URL Cleaner** | Remove tracking parameters (UTM, fbclid, gclid) | [Open](https://presend.pages.dev/tools/url-cleaner) | | **Email List Cleaner** | Deduplicate, validate, clean email lists | [Open](https://presend.pages.dev/tools/email-list-cleaner) | | **JSON to CSV Converter** | Convert between JSON and CSV instantly | [Open](https://presend.pages.dev/tools/json-csv-converter) | | **Image to Base64** | Encode images for embedding in HTML/CSS | [Open](https://presend.pages.dev/tools/image-to-base64) | | **Text Diff** | Compare two texts side by side | [Open](https://presend.pages.dev/tools/text-diff) | | **Text Formatter** | Bold, italic, stylized text for social media | [Open](https://presend.pages.dev/tools/text-formatter) | | **Thread Splitter** | Split long text into Twitter/X threads | [Open](https://presend.pages.dev/tools/thread-splitter) | | **Word Counter** | Count words, characters, reading time | [Open](https://presend.pages.dev/tools/word-counter) | | **Color Contrast** | Check WCAG accessibility contrast ratios | [Open](https://presend.pages.dev/tools/color-contrast) | ## 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](https://presend.pages.dev/embed) ## 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](https://presend.pages.dev) # build trigger ven. 21 août 2026 10:18:19 CEST
What people ask about presend
What is presendapp/presend?
+
presendapp/presend is tools for the Claude AI ecosystem. 40 free, privacy-first browser-based tools to clean, compress, convert and check files. No upload, no server, no tracking. It has 1 GitHub stars and its last recorded update is dated 2026-09-12.
How do I install presend?
+
You can install presend by cloning the repository (https://github.com/presendapp/presend) or following the README instructions on GitHub. ClaudeWave also provides quick install blocks on this page.
Is presendapp/presend safe to use?
+
Our security agent has analyzed presendapp/presend and assigned a Trust Score of 95/100 (tier: Verified). See the full breakdown of passed checks and flags on this page.
Who maintains presendapp/presend?
+
presendapp/presend is maintained by presendapp. The last recorded GitHub activity is dated 2026-09-12, with 4 open issues.
Are there alternatives to presend?
+
Yes. On ClaudeWave you can browse similar tools at /categories/tools, sorted by popularity or recent activity.
Deploy presend to your cloud
Ship this repo to production in minutes. Each platform spins up its own environment with editable env vars.
Maintain this repo? Add a badge to your README
Drop the badge into your GitHub README to show it's tracked on ClaudeWave. Each badge links back to this page and reflects the live Trust Score.
[](https://claudewave.com/repo/presendapp-presend)<a href="https://claudewave.com/repo/presendapp-presend"><img src="https://claudewave.com/api/badge/presendapp-presend" alt="Featured on ClaudeWave: presendapp/presend" width="320" height="64" /></a>More Tools
A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.
An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.
🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman
CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies
The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]
Use Claude Code, Codex, Pi, and OpenCode (and 6 other harnesses) for free (1.3B+ free tokens) from your terminal, app, IDE, or phone, and now from the browser with native browser sessions (multi-harness + multi-model) like OpenClaw (voice supported + ToS friendly)