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Skip to contentInspect, compare and transform any file locally in your browser. Tentaco File Studio: review input and get an instant result — free, no sign-up.
Inspect, compare and transform any file locally in your browser. Runs entirely in your browser — nothing is uploaded.
Paste or enter your input into Tentaco File Studio. Standard processing runs locally in your browser — contents are not sent to Tentaco servers for that path.
No account required — copy or download the result when you are done. People often search for: file studio, hex viewer, magic bytes.
Open File Studio — no registration required.
Paste or type your input.
Adjust options and review the preview or output.
Copy or save the result and re-run if needed.
Transfer to Tentaco: No for the standard mode. Processing: local in the browser. Permanent storage: only if you copy or save the result yourself.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
No. File Studio processes the standard mode locally in your browser; Tentaco does not receive your input for that path.
Yes. Copy the output from File Studio or download it when the tool offers a file.
File Studio follows the formats named in the UI and description. Unlisted variants are not guaranteed.
After the first load, File Studio often keeps working offline. Online dependencies are labeled.
Data Studio online — free in your browser
CSV, TSV, query strings and table tools in one workspace. Tentaco Data Studio: review input and get an instant result — free, no sign-up.
Security Studio online — free
Passwords, hashing, JWT, HMAC and cipher tools in one workspace. Tentaco Security Studio: review input and get an instant result — free, no sign-up.
Code Studio online — free in your browser
Format, validate and convert JSON, XML, SQL, HTML, CSS, JS and more — one developer workspace.
Automation Studio online — free
Workflow presets and auto-pipelines. Tentaco Automation Studio: review input and get an instant result — free, no sign-up.
Base64 File Encoder online — free in your browser
Encode or decode files as Base64 locally. Tentaco Base64 File Encoder: review input and get an instant result — free, no sign-up.
Retro PC online — free
v86 emulator shell — bring your own ISO (emulator deferred).
Share-Safe Studio — redact before you share
Scan files for sensitive data and clean them locally before sharing.
SWF Player online — free
Play Flash SWF files locally with Ruffle WASM.