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Tools

Browser tools.

A collection of free tools for audio, PDFs, images, files and development. Find what you need and open it here.

01 / Files and services

Where data is processed.

Many tools process files on your device. Others contact this site’s server or an external service when you run them. Each tool shows how it works.

Details about files and services

02 / All tools

Find what you need.

Search by name or choose a category.

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Results46tools

01

Music & Audio

18 tools
  1. MixingVocal Chain ExplorerCompare vocal-chain settings and mixing notes in the browser. On your deviceOpen
  2. ProcessingMastering Studio v2Preview mastering controls with browser-based audio processing. On your deviceOpen
  3. AnalysisAI Song DetectorRun local heuristic checks that estimate whether an audio file may be AI-generated. On your deviceOpen
  4. AnalysisKey & BPM FinderEstimate tempo, pitch-class key and RMS level from browser-decodable audio. On your deviceOpen
  5. AnalysisChord DetectorSurface likely chord progressions and harmonic structure. On your deviceOpen
  6. TheoryScale FinderIdentify compatible scales and keys from selected notes. On your deviceOpen
  7. TheoryPiano & FifthsInteractive visual piano and Circle of Fifths for harmonic exploration. On your deviceOpen
  8. InstrumentOnline TunerChromatic tuner for guitar, bass and other instruments via microphone. On your deviceOpen
  9. SongwritingSongcraft WorkbenchDraft lyric notes, rhyme ideas and hook structures locally. On your deviceOpen
  10. SongwritingLyrics FormatterOrganize lyrics with tags for AI music tools like Suno or Udio. On your deviceOpen
  11. CreativeChord GeneratorGenerate and audition chord progressions based on the selected key and mode. On your deviceOpen
  12. TimingBPM TapperTap tempo with interval feedback and speed suggestions. On your deviceOpen
  13. TimingMetronomeHigh-precision browser metronome with accents and subdivisions. On your deviceOpen
  14. AnalysisGain AnalyzerEstimate sample peak and RMS values locally for basic gain-staging checks. On your deviceOpen
  15. ConvertAudio ConverterDecode browser-supported audio and export a real 16-bit PCM WAV locally. On your deviceOpen
  16. Variationslowed&reverbCreate slowed, reverbed versions with custom room processing. On your deviceOpen
  17. VariationNightcore MakerSpeed up and pitch lift audio for Nightcore style versions. On your deviceOpen
  18. SpaceSpatializer 3DExperiment with stereo position and browser-based spatial audio controls. On your deviceOpen

02

Conversion

2 tools
  1. ConvertFile to Base64Convert a local file into a Base64 data URL in the browser. On your deviceOpen
  2. ConvertBase64 to FileDecode string payloads back into real file downloads. On your deviceOpen

03

Image Tools

3 tools
  1. ImageImage AIO HubOpen a browser image workspace for conversion, compression and file checks. On your deviceOpen
  2. ImageImage CompressorOptimize image file size while preserving visual quality. On your deviceOpen
  3. ImageWebP ConverterConvert PNG, JPG into optimized WebP for modern web use. On your deviceOpen

04

Network & Browser

7 tools
  1. NetworkIP CheckRetrieve your public IP address and available network metadata from ipapi.co. External serviceOpen
  2. NetworkDNS LookupInspect DNS records via public DNS-over-HTTPS resolvers. External serviceOpen
  3. NetworkSpeed Test LiteEstimate latency, jitter, download and upload speed in the browser. Site serverOpen
  4. DiagBrowser Leaks TestReview browser exposure signals such as IP, WebRTC, storage and timezone. Site serverOpen
  5. DiagBrowser FingerprintExamine tracking vectors: screen, user agent, Canvas and WebGL. On your deviceOpen
  6. DiagWebRTC Leak TestVerify if ICE candidates expose internal or public routing paths. Site serverOpen
  7. DiagAdblock TesterCheck whether common ad and tracker test requests are blocked. External serviceOpen

05

PDF Tools

4 tools
  1. PDFPDF AIO HubOpen a browser PDF workspace for common PDF file actions. On your deviceOpen
  2. PDFMerge PDFCombine multiple PDF documents into a single ordered file. On your deviceOpen
  3. PDFSplit PDFExtract pages or split a PDF into multiple separate files. On your deviceOpen
  4. PDFConvert JPG to PDFConvert images into a clean PDF document. On your deviceOpen

06

Privacy & File

2 tools
  1. SecurityFile Hash CheckerCompute SHA-256, SHA-512 and MD5 checksums using Web Crypto. On your deviceOpen
  2. SecurityPassword GeneratorGenerate random passwords in the browser. On your deviceOpen

07

SEO & Web

3 tools
  1. SEOSEO SERP PreviewPreview how a title and description may appear in search results. On your deviceOpen
  2. SEOSlug GeneratorConvert text into clean URL slugs. On your deviceOpen
  3. WebQR Code GeneratorCreate high-contrast QR codes client-side without logging target URIs. On your deviceOpen

08

Developer Tools

7 tools
  1. DevJSON FormatterPrettify, minify, sort and validate raw JSON structures. On your deviceOpen
  2. DevBase64 Encoder / DecoderEncode or decode Base64 back to native strings locally. On your deviceOpen
  3. DevJWT DecoderDecode JWT headers and payloads locally. On your deviceOpen
  4. DevUnix TimestampConvert Unix timestamp sequences to localized dates. On your deviceOpen
  5. DevUUID GeneratorGenerate v4 UUID values in the browser. On your deviceOpen
  6. DevURL Encoder / DecoderEncode URL parameter fragments or parse encoded payloads. On your deviceOpen
  7. DevColor ConverterTranslate color expressions between HEX, RGB and HSL. On your deviceOpen