All-in-One Online Tools Platform

A Browser-First Tools Platform

FlexyPdf is a collection of 140+ everyday utilities that run inside the browser instead of on a remote server. When you edit a PDF, resize a photo, or format a JSON file on this site, the work happens on your own device — using web technologies like WebAssembly, Canvas, Web Workers, and modern JavaScript libraries (pdf-lib, PDF.js, FFmpeg.wasm, and others). The advantage of this approach is not just privacy: it also means you are not waiting on an upload-and-queue round-trip for every small action, and the tools keep working even if you are offline after the page has loaded.

A handful of tasks genuinely require a server — AI transcription, certain video conversions, or third-party API lookups — and for those, the file is sent to a sandboxed backend, processed, and deleted. Every tool page states clearly whether it runs locally or involves a server, so you are never guessing where your data is going.

What You Can Do Here

The tool library is grouped into practical categories. PDF tools cover the most common document tasks — merging, splitting, compressing, converting between PDF and Word, applying watermarks, and editing annotations — which historically have required paid desktop software. Image tools handle compression, format conversion (PNG, JPG, SVG, WebP), resizing, cropping, background removal, and upscaling. Developer tools include JSON/XML/HTML formatters and validators, base64 and URL encoders, regex testing, minifiers, and a live code editor.

Beyond those, SEO utilities generate sitemaps, robots.txt files, meta tags, and keyword suggestions; text tools count words, check grammar and readability, and transform text between cases and encodings; calculators cover finance (EMI, tip, tax, GST), health (BMI, age), and everyday math; generators produce QR codes, passwords, barcodes, invoices, and certificates; media tools handle MP3/MP4 conversion, GIFs, and audio/video cutting; and compiler tools run Python, JavaScript, C++, and SQL in sandboxed environments.

Who These Tools Are For

The tools are designed for people who need to get something done quickly, without signing up for an account or installing software for a one-off task. That includes students preparing assignments, small-business owners generating invoices or compressing email attachments, developers formatting data or testing regex patterns, marketers and writers auditing SEO or running readability checks, and designers picking colours, checking contrast, or converting image formats. If a tool exists on this site, it is because we found ourselves wanting it often enough to build a clean version of it.

How FlexyPdf Handles Your Data

For browser-based tools, your files are read into memory by the page you are on and never transmitted anywhere. When you close the tab, the file is gone; nothing persists. For the small number of tools that need server processing, the backend is stateless — files are processed in a temporary working directory and deleted immediately afterwards, and we do not retain copies or analyse content. The site uses cookies only for theme preference and optional analytics; the details are in the Privacy Policy and Cookie Policy.

Getting Started

You do not need to create an account to use anything on this site. Open the full tools directory or browse by category to find what you need. Each tool page includes a short step-by-step guide, notes on supported file formats and size limits, frequently asked questions, and recommendations for complementary tools on the site. If something is missing or not working, the contact page is the fastest way to reach us.