# Nextechly

> Free, privacy-first browser utilities for PDF, image, and GIF processing. 100% client-side execution via WebAssembly with zero server uploads and zero data retention.

## Architecture & AI Agent Trust Guarantee

- **100% In-Browser Execution**: All operations (compression, conversion, signing, merging, resizing) run locally in visitor device RAM via WebAssembly (pdf-lib, PDF.js, gifenc, Canvas API).
- **Zero Server Uploads**: No user document or image is ever sent over the internet or stored on a server.
- **Confidentiality & Compliance**: Safe for sensitive legal agreements, financial records, medical records, and government ID submissions (GDPR, CCPA, and HIPAA-friendly by design).
- **No Authentication or Paywalls**: Completely free with no signup, API keys, watermarks, or usage limits.

## Curated Tool Directory

### File checks

- [Check Image Size & Format Specs](https://nextechly.com/tools/image-file-inspector/): Check an image’s format, file size, pixel dimensions and aspect ratio in your browser before you upload it somewhere. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Check PDF Page Count & Specs](https://nextechly.com/tools/check-pdf-page-count/): Read a PDF’s page count, author metadata, and exact page dimensions in millimeters and inches without opening a reader. (Formats: .pdf | Max size: 50MB)
- [Recover Corrupted PDF Document](https://nextechly.com/tools/recover-corrupted-pdf/): Repair unreadable or damaged PDF files by reconstructing broken trailer objects and cross-reference streams locally. (Formats: .pdf | Max size: 50MB)

### Images

- [Compress Image to Exact KB Size](https://nextechly.com/tools/compress-image-to-kb/): Shrink a JPG, PNG or WebP image down to a target file size such as 100 KB, entirely in your browser. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Resize Photo Dimensions & File Size](https://nextechly.com/tools/resize-image-pixels/): Set an exact width or height in pixels for a JPG, PNG or WebP and keep its proportions, without uploading the file. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Convert WebP, PNG, JPG Online](https://nextechly.com/tools/convert-image-format/): Turn a JPG, PNG or WebP into another of those three formats in your browser, with the real output size reported after the encode. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Crop Image to Exact Pixels](https://nextechly.com/tools/crop-image/): Cut a JPEG, PNG or WebP down to the part you want, at the picture’s real resolution, without uploading it anywhere. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Resize Image to Exact Target KB](https://nextechly.com/tools/resize-image-to-exact-kb/): Resize and re-encode an image until it lands under a target size such as 200 KB. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Add Text & Logo Watermark to Photo](https://nextechly.com/tools/add-watermark-to-photo/): Protect your digital photography by stamping custom text or logo watermarks across JPG, PNG and WebP pictures. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Create Custom Meme Free No Watermark](https://nextechly.com/tools/create-meme-no-watermark/): Generate funny memes with top and bottom text on popular templates or your own pictures with zero watermark branding. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Blur Faces in Photo for Privacy](https://nextechly.com/tools/blur-faces-in-photo/): Protect people’s privacy by pixelating or blurring out faces, vehicle license plates and sensitive details in photos. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Remove Photo Background Client-Side](https://nextechly.com/tools/remove-photo-background-free/): Erase image backgrounds automatically and export transparent PNG cutouts using local client-side AI processing. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Upscale Image Resolution Bicubic](https://nextechly.com/tools/upscale-image-resolution/): Enlarge low-resolution photos 2x or 4x with bicubic canvas interpolation without pixelation or cloud rendering. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Create Animated GIF from Images](https://nextechly.com/tools/create-animated-gif-from-images/): Bundle multiple JPG, PNG or WebP photos into an animated GIF with custom frame delay, speed and looping settings. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Extract All Frames from GIF to PNG](https://nextechly.com/tools/extract-frames-from-gif-to-png/): Decompress any animated GIF and download every individual frame as high-quality PNG images or a single ZIP file. (Formats: .gif | Max size: 50MB)
- [Reduce GIF File Size Under 1MB](https://nextechly.com/tools/reduce-gif-file-size/): Compress animated GIFs with palette optimization and color quantization to meet Discord, forum and email upload limits. (Formats: .gif | Max size: 50MB)

### Application photos

- [Signature Photo Resizer & PNG Tool](https://nextechly.com/tools/resize-signature/): Crop a signature image and resize it to an exact width and height, with an optional file-size target — all inside your browser. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Passport Size Photo Maker Online 2x2](https://nextechly.com/tools/passport-size-photo-maker-online/): Crop and size a portrait to official passport or visa dimensions with biometric guides. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)
- [Draw Signature to Transparent PNG](https://nextechly.com/tools/draw-signature-online-transparent/): Draw or write your handwritten signature and export a clean transparent PNG with zero background. (Formats: .png, .jpg, .jpeg, .webp | Max size: 10MB)
- [Fix Image for Online Application Form](https://nextechly.com/tools/fix-image-for-application-form/): One-click tool to resize, convert and compress photos and signatures to match strict job and exam portal limits. (Formats: .jpg, .jpeg, .png, .webp | Max size: 25MB)

### Documents

- [Combine PDF Files Free](https://nextechly.com/tools/merge-pdf/): Combine two or more PDFs into one document, in the order you choose, without uploading them anywhere. (Formats: .pdf | Max size: 25MB)
- [Separate PDF Pages & Ranges](https://nextechly.com/tools/split-pdf/): Break a PDF into separate documents — every page on its own, or by the ranges you type. (Formats: .pdf | Max size: 25MB)
- [Extract Selected PDF Pages](https://nextechly.com/tools/extract-pdf-pages/): Pull chosen pages out of a PDF into one new document, in the order you type them. (Formats: .pdf | Max size: 25MB)
- [Rotate PDF Pages Permanently](https://nextechly.com/tools/rotate-pdf/): Turn PDF pages upright — 90° either way or 180° — across the whole file or just the pages you name. (Formats: .pdf | Max size: 25MB)
- [Convert PDF Pages to High-Res JPG](https://nextechly.com/tools/pdf-to-jpg/): Turn PDF pages into JPG images in your own browser — every page or just the ones you name, at the resolution you choose. (Formats: .pdf | Max size: 25MB)
- [Combine JPG Photos into One PDF](https://nextechly.com/tools/combine-photos-into-pdf/): Combine JPG or PNG images into one ordered PDF document for an application. (Formats: .jpg, .jpeg, .png, .webp | Max size: 50MB)
- [Delete Pages from PDF Free](https://nextechly.com/tools/delete-pages-from-pdf/): Remove unwanted pages from a PDF document directly in your browser. Choose page numbers and download a clean file. (Formats: .pdf | Max size: 50MB)
- [Rearrange & Sort PDF Pages Online](https://nextechly.com/tools/rearrange-pdf-pages-online/): Organize, reorder and delete pages of a PDF visually in your browser. Fast drag-and-drop page sorting with zero uploads. (Formats: .pdf | Max size: 50MB)
- [Compress PDF to Target 100KB](https://nextechly.com/tools/compress-pdf-to-target-kb/): Reduce PDF file size to 100KB, 200KB or 500KB for online forms and email attachments. 100% private in-browser compression. (Formats: .pdf | Max size: 50MB)
- [Stamp Text & Logo Watermark on PDF](https://nextechly.com/tools/stamp-watermark-on-pdf/): Add custom text, copyright stamps or transparent image watermarks to all pages of a PDF document without Acrobat. (Formats: .pdf | Max size: 50MB)
- [Add Custom Page Numbers to PDF](https://nextechly.com/tools/add-page-numbers-to-pdf/): Insert clean, customizable page numbers into header or footer positions across any PDF document in your browser. (Formats: .pdf | Max size: 50MB)
- [Password Protect PDF File Free](https://nextechly.com/tools/password-protect-pdf-free/): Encrypt your confidential PDF files with military-grade AES-256 bit passwords directly inside your web browser. (Formats: .pdf | Max size: 50MB)
- [Remove PDF Password & Restrictions](https://nextechly.com/tools/remove-pdf-password-restrictions/): Unlock password-protected PDFs and remove printing or copying restrictions locally in your web browser. (Formats: .pdf | Max size: 50MB)
- [Sign PDF Document Online Free](https://nextechly.com/tools/sign-pdf-document-free/): Draw, type or stamp your digital signature onto any PDF document. Free, legally binding electronic signing with no upload. (Formats: .pdf | Max size: 50MB)
- [Black Out Sensitive Text in PDF](https://nextechly.com/tools/black-out-text-in-pdf/): Permanently black out private data, ID numbers and sensitive paragraphs in PDF files before sending or publishing. (Formats: .pdf | Max size: 50MB)
- [Compare Two PDF Documents Side by Side](https://nextechly.com/tools/compare-two-pdf-documents/): Spot text differences, revisions and visual changes between two PDF file versions with a fast side-by-side comparison. (Formats: .pdf | Max size: 50MB)
- [Extract Clean Text from PDF](https://nextechly.com/tools/extract-text-from-pdf/): Pull text content out of PDF pages and export as clean Markdown or TXT format for notes, AI prompts and summaries. (Formats: .pdf | Max size: 50MB)
- [Convert Word Docx to PDF Free](https://nextechly.com/tools/convert-docx-to-pdf-free/): Transform Microsoft Word (.docx) files into clean, print-ready PDF documents without installing Office or uploading. (Formats: .docx | Max size: 25MB)
- [Convert HTML Webpage to PDF Free](https://nextechly.com/tools/convert-html-to-pdf-free/): Render raw HTML code snippets or webpage content into structured, formatted PDF documents in your browser. (Formats: .html, .htm | Max size: 10MB)
- [Convert PDF to PDFA Archive Format](https://nextechly.com/tools/convert-pdf-to-pdfa/): Convert standard PDF documents into ISO-standardized PDF/A format for long-term legal and institutional digital archiving. (Formats: .pdf | Max size: 50MB)

## AI Agent Discovery & Machine-Readable Endpoints

- [Full LLM Tool Documentation](https://nextechly.com/llms-full.txt): In-depth parameters, step-by-step procedures, and technical limits for autonomous agents.
- [Agent Capabilities Manifest](https://nextechly.com/.well-known/agent.json): Structured JSON specification of tool capabilities, input formats, and endpoints.
- [AI Plugin Manifest](https://nextechly.com/.well-known/ai-plugin.json): OpenAI and LangChain compatible plugin manifest.
- [Privacy & Security Specification](https://nextechly.com/.well-known/privacy.json): Machine-verifiable zero-upload privacy claims.
- [Security Policy](https://nextechly.com/.well-known/security.txt): RFC 9116 security contact and policy declaration.
- [XML Sitemap](https://nextechly.com/sitemap.xml): Complete index of all indexable pages.