Free online tools · no sign-up · nothing uploaded
Free browser-based tools for developers, designers and marketers — compress an image, merge a PDF, format JSON, convert a file, pick a colour. Every tool runs on your own device, so your files are never uploaded and nothing is stored afterwards.
The index · 9 categories · 200+ tools
Every tool is free and works in your browser. Pick a category to see its tools.
Units, colours, encodings, dates and everyday calculations.
Writing tools that draft, restyle and outline copy. Every one runs in your browser without an account, and every one can be upgraded with a free AI provider key you supply yourself — the key stays in your browser and the request never touches this site.
Trim, split, crop, compress and convert video without uploading a single frame.
Compress, convert, crop and edit images without uploading them anywhere.
Audit, generate and validate the technical SEO signals search engines actually read.
Format, decode, hash and inspect the data formats you work with daily.
Visual generators for gradients, shadows, layouts and modern CSS features.
Create, inspect and annotate PDF documents entirely on your own device.
Compare, clean, sort and reshape blocks of text without leaving your browser.
Shadi seasonNew
Pick one of 10 designs, add your Mehndi, Barat, Nikah and Walima, and share a short link guests open on their phones, with a 15-second Status video and a card.
Make your invite Free, works on any phone
Most opened this month
The tools people reach for first — all free, all running in your browser.
Make a wedding invitation link, a WhatsApp Status video and a card for your Mehndi, Nikah, Barat and Walima.
Cut, reshape, brand, caption and score a video in one pass
Count words, characters, sentences, and reading duration
Write a full draft from a topic using your own free AI provider key
Compress PNG/JPEG images without quality loss
Create a free QR code for any link or text and download it
Measure internal repetition and lexical variety in your own text
Beautify, validate, and format JSON code
The honest version
“How can you compress an image without uploading it?” is the question we get most. The answer is that these are client-side tools: whether you paste JSON, choose a PDF or drag a colour slider, the code arrived with the page and runs on your machine. There is no upload step because there is no server to upload to.
Opening a tool downloads its code the same way it downloads the text you are reading. From then on the tool is software running in your tab — it keeps working even if you lose your connection.
Typed text, a chosen file, a picked colour — all of it is held in your browser's memory and read only by the code already on the page. None of it is sent anywhere, so none of it can be logged, cached or leaked.
Copy it or download it. Close the tab and the input and the result are dropped from memory together. Nothing was written to a server, so there is nothing to delete later.
From people using it
Guides
Format explainers, comparisons and practical walkthroughs written alongside the tools themselves.
Median-cut quantisation counts area, so a mostly-sky photograph returns mostly blues however striking the subject. Why five colours beat twenty,…
Tone is structure rather than vocabulary. What each register is for, why formal is not the same as polite, and…
A bad character reads as zero rather than raising a warning, which is why the swatch next to the numbers…
Questions
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