Valestiom
Simple tools, thoughtfully made

Free Online Tools For Everyone

Convert, edit and optimize your files directly in your browser.

No uploads Fast in-browser processing Free to use

Examples of Valestiom tools

QR Code GeneratorShare a link in a scan
Image CompressorSmaller files, locally
JSON FormatterReadable data in seconds

Browse by category

Find a focused tool without digging through a long list.

Privacy first

Your files stay where they belong: with you.

Valestiom is a static website. Work happens in your browser, and there is no account, upload queue, or database behind these tools.

Local processingFiles are read and transformed on your device.
No unnecessary trackingRecent tools and theme preferences use local storage only.
Lightweight by defaultSemantic HTML and focused JavaScript keep pages quick.

Three ways to find a tool

There are 102 tools on this site, which is more than anyone wants to scroll through. The search box at the top of this page is the quickest route: type a word or two, press Enter, and you arrive at the full directory with that filter already applied. It matches names and descriptions rather than requiring an exact title, so a partial word is usually enough — searching for compress brings back the image and PDF compressors together, and json narrows the list to the JSON utilities.

If you would rather look around, the category grid above divides everything ten ways by the kind of work involved rather than by file extension. PDF and text tools are where most visits begin, since documents and writing are what people most often need to fix in a hurry. Utilities is worth a glance for a different reason: it collects the genuinely useful oddities that fit nowhere else, which are the tools nobody thinks to search for.

The third route is the address bar. Every tool sits at a predictable URL — /tools/ followed by its name — with no session, redirect, or dashboard in front of it. A page you use every week can be bookmarked or typed from memory, and the link will still work months later.

All 102 tools PDF tools Text tools Utilities

What you need before you start

Nothing, in the literal sense. There is no account to create, no email address to hand over, no extension to install, and no free allowance that runs out partway through the month. Each tool is an ordinary web page with some JavaScript attached, so opening it is the entire setup process, and the files you save come out unbranded — nothing is stamped onto the result to advertise where it was made.

What does matter is the device you are using. Because the work runs on your machine instead of on a server we rent, your own hardware is the whole performance budget. A twenty-page PDF is effectively instant on a laptop and noticeably slower on an ageing phone. Most tools here declare an explicit size ceiling and turn down oversized input immediately, which is less satisfying than a progress bar but much better than one that stops at eighty percent. For genuinely large jobs — a multi-gigabyte archive, a thousand-page scan — installed desktop software remains the better choice.

A large part of the collection sidesteps that constraint completely. Calculators and most generators take a few numbers or a line of text rather than a file, so they finish the moment you stop typing and behave the same on any device that can load the page.

Calculators Generators

The problems people actually arrive with

Traffic here is not spread evenly across 102 tools. A handful of small, specific annoyances account for most of it, and they tend to arrive with a deadline attached: a file that is two megabytes over an upload limit, a form that insists on JPG when the phone produced a PNG, an application that wants several photographs as one attachment rather than five.

Each has a direct answer. Converting a photograph from PNG to JPG usually cuts the file size dramatically, because JPG was designed for continuous-tone images and PNG was not — the difference is generally invisible on screen and obvious on disk. Assembling several images into a single PDF is one page with a file picker and a page order you can rearrange before exporting.

The other steady demand is arithmetic nobody wants to do by hand and few people want to trust to a spreadsheet they found online: what a mortgage or car loan really costs each month once interest is compounded, or where a given height and weight fall on the standard BMI scale. These need no file at all and finish instantly, which is why they sit beside the file tools rather than in a separate app.

PNG to JPG Images to PDF Loan calculator BMI calculator

Why the work happens in your browser

Most online file tools follow the same shape: you upload a document, a server somewhere transforms it, and you download the result. That works, and it also means your file spends time on hardware you do not control, kept for however long that operator's retention policy says. Valestiom turns the arrangement around. The code that transforms your file is sent to your browser instead of your file being sent to the code, and the transformation happens inside the tab you already have open.

The useful consequence is that there is nothing to delete afterwards. No processing queue holds your document, no storage bucket keeps a copy for debugging, and no breach on our side can expose a file we never received. That is the difference that matters for the things people are reasonably wary of uploading anywhere: a signed contract, a payslip, a scan from a clinic, a photograph taken inside your home.

This is checkable, which is the only reason it is worth claiming. Open your browser's developer tools, switch to the network panel, and use any tool on this site: you will see the page, its stylesheet, and its scripts load, plus one library fetched from this same site the first time a heavier tool needs it — and no request that carries your file. What local processing does not do is conceal your activity from your own browser, extensions, or operating system, or govern what happens to a file once you have saved it to your disk.

Privacy tools