Work · alternatives · 2026
24 alternatives to Sunasty
137 file tools that run in your browser, not the cloud
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
Your files and data never leave your device.
Apr 2026 · localonely.com · its alternatives →
- 2
- 3FC
Most file converter sites upload your files to their servers. File Converter Free runs everything client-side using WebAssembly — your files never leave your device. 215+ formats across conversion and compression, 75+ browser-based tools for PDF, dev utilities, text, calculators and network diagnostics — all available in 9 languages. Built this solo. What tools do you wish ran client-side but currently don't? https://file-converter-free.com/en/tools
Mar 2026 · its alternatives →
- 4
Filesty▲3Free file tools that work entirely in your browser
Apr 2026 · filesty.com · its alternatives →
- 5
Convert files in your browser, nothing is uploaded, ever.
Jul 2026 · offlinefileconverter.com · its alternatives →
- 6
Free file tools that run entirely in your browser
May 2026 · fileora.tech · its alternatives →
- 7
Free PDF & image tools that never upload your files
Aug 2026 · convertkoro.com · its alternatives →
- 8
56 free PDF tools that run in your browser: merge, convert, compress, sign, OCR, plus on-device AI. Files never upload, a live meter proves it. Works offline.
Jun 2026 · pdfmergely.com · its alternatives →
- 9
Free browser tools that never touch your files
Feb 2026 · nothingleaves.com · its alternatives →
- 10
24 PDF tools, zero uploads. Everything runs in your browser
Jul 2026 · moguanpdf.com · its alternatives →
- 11
85 free browser tools your files never leave your device
Mar 2026 · toolcrisp.com · its alternatives →
- 12
Toolyard▲456 free browser tools — your files never leave your device
Jul 2026 · gettoolyard.com · its alternatives →
- 13
- 14
46 image tools that run in your browser, not on a server
Sep 2026 · imagenimble.com · its alternatives →
- 15
130+ free tools that run entirely in your browser.
Jul 2026 · tools.aliontechstudio.com · its alternatives →
- 16
Free file tools that run entirely in your browser
Apr 2026 · convertful.app · its alternatives →
- 17
ZenTools▲213 free browser-native tools; your files never leave.
Jul 2026 · tools.zenwebx.com · its alternatives →
- 18
Free PDF & image tools that never upload your files
Apr 2026 · convertkr.com · its alternatives →
- 19
Compress, convert, merge files — all 254 tools, all offline
Apr 2026 · 1filetool.com · its alternatives →
- 20
Free file converter — your files never leave your device
May 2026 · transfyle.com · its alternatives →
- 21ToolZip▲1
Free browser-based tools — files never leave your device
Sep 2026 · toolzip.app · its alternatives →
- 22
A suite of dev tools (YAML, JSON, Markdown, regex, csv, etc.) that run entirely in-browser – no tracking, all private.
2025 · digitaltoolpad.com · its alternatives →
- 23
PDF & file tools - files never leave your browser
May 2026 · fixitlocaly.com · its alternatives →
- 24
MV Tools▲5Local-first Cloud-to-Cloud Transfer, Sync & Backup
Jan 2026 · mv.tools · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →