How We Build and Test File Studio
This page explains how the tools and the written content on File Studio are produced, so you can judge how much to rely on them.
Testing a tool before it ships
- Real files, not samples. Each tool is run against the kinds of files people actually bring: phone-camera scans, PDFs exported from Word and from bank portals, password-protected statements, HEIC photos from iPhones, long voice notes, screen recordings and 4K phone video.
- Several browsers and devices. Tools are checked in Chrome and Edge on Windows, in Safari on iPhone and in Chrome on Android. Where a browser lacks a feature a tool needs (for example, some video encoders exist only in Chromium-based browsers), the tool says so on screen instead of failing silently.
- Output is opened, not assumed. A merged or compressed PDF is reopened in a separate reader; a redacted PDF is searched for the removed text; an exported video is played back to the end.
- Automated tests cover the parts that are easiest to break quietly, such as text repair in PDF-to-Word, CGPA calculation rules, audio filters and the video editor's timeline.
What "Beta" means
A tool marked Beta works for common files but has known rough edges — very large inputs, an unusual codec, or a browser that is not fully supported. Its page lists those limits under "Limitations". Beta tools that stop working reliably are removed from the menu rather than left up.
How the guides and tool pages are written
- Every tool page explains what the tool does, how to use it, when it is the wrong tool, and what happens to your file. These texts are written per tool from how the tool actually behaves, not generated from a template.
- Guides start from questions people send in. Steps are followed on real files before publishing, and limits set by other organisations (portal upload sizes, exam photo dimensions, app sharing limits) are checked against their official notices at the time of writing. Because those rules change, guides tell you to confirm against the current notice.
- Guides do not give legal, tax or financial advice. Where a decision depends on law or on a portal's rules — for example whether a drawn signature is acceptable — the guide says so and points you to the authority.
- Pages show the date they were last updated.
No fake signals
File Studio does not publish testimonials, star ratings or user counts it cannot verify, and it does not write comparison pages about other services.
Corrections
If a tool gives a wrong result or a page says something inaccurate, email support@filestudio.in or use the contact form. Include the tool name, your browser and device, and if possible a description of the file (not the file itself). Confirmed errors are fixed and noted in the changelog of the next release.