All the tools you need, in one nest_
Format, convert, compress, encode — right in your browser. Private, fast and free.
toolnest — search
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39+ tools│8 categories│[ OK ] runs in your browser
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AI Tools4 tools
Image, text and speech powered by AI.Image4 tools
Compress, convert and resize images.PDF4 tools
Merge, split and convert PDF files.Video & Audio4 tools
Compress and convert video & audio.Code & Data5 tools
JSON, URL, JWT — for developers.Base64 Tools9 tools
Encode, decode and convert Base64 to image, CSV, JSON.Text5 tools
Word count, case, slug and more.Time4 tools
Timestamp, date diff, cron and time formatting.$catpopular.json// most used this week
{}JSON FormatterFormat, validate and fix JSON.⤓Image CompressorShrink image size, keep quality.✂AI Background RemoverRemove image backgrounds with AI.▤Merge PDFCombine multiple PDFs into one.⧉Base64 Encode/DecodeEncode and decode Base64 strings.#Word CounterCount words, chars, lines, sentences.►Video CompressorCompress video without quality loss.AaCase ConverterUPPER, lower, Title, camelCase.
[ OK ] private
Runs in your browser
Most tools process on your device — no uploads, no tracking.
[ OK ] fast
Instant
No heavy page loads. Open a tool and use it within a second.
[ OK ] free
No signup
No account, no limits, no hidden fees. Just tools.
[ OK ] tidy
One nest
30+ tools in one place, one style, easy to find and use.
Frequently asked questions
Everything you need to know about ToolNest.
▸Is ToolNest free?
Yes. Every tool on ToolNest is free to use with no limits and no signup required.
▸Are my files uploaded to a server?
Most tools run entirely in your browser, so your data never leaves your device.
▸Do I need to create an account?
No. Just open a tool and start working right away.
▸Which languages does ToolNest support?
The interface supports Vietnamese, English and 中文 — switch anytime from the header.
▸Can I use ToolNest on mobile?
Yes. The interface works well on any modern device and browser.