Tools
Free tools that never touch your files.
19 free tools that run entirely in your browser — JSON and developer utilities, image compression, PDF work, media conversion and metadata cleaning. No account, no limit, no upload.
Nothing is uploaded
Files and text are processed in your browser's memory and never sent to a server.
No account, no limit
No sign-up, no paywall, no export limits and no watermarking.
Open about the limits
Where a format can't be rewritten safely, the tool says so instead of guessing.
20 tools
ReadyJSON Formatter & ValidatorFormat, validate, minify and sort JSON — instantly, in your browser.Runs in your browserOpenReadySQL FormatterPretty-print and tidy SQL across 15+ dialects.Runs in your browserOpenReadyRegEx TesterTest, explain and generate code for regular expressions.Runs in your browserOpenReadyCron Expression BuilderBuild cron schedules and preview the next runs.Runs in your browserOpenReadyJWT InspectorDecode JWTs and verify signatures without leaking them.Runs in your browserOpenReadyCode & Data ConverterTurn JSON, CSV, YAML, XML and SVG into the format you need.Runs in your browserOpenReadyKey Pair GeneratorGenerate RSA, ECDSA and Ed25519 keys in your browser.Runs in your browserOpenReadyText DiffCompare two blocks of text, side by side.Runs in your browserOpenReadyDeveloper ToolsThirteen everyday code utilities in one place — no signup, no uploads.Runs in your browserOpenReadyImage CompressorShrink images in your browser — files never leave your device.Runs in your browserOpenReadyAI Image GeneratorTurn a text prompt into an image — free, no sign-up, watermark removable in one click.Runs in your browserOpenReadyPDF ToolsMerge, split, watermark and clean PDFs locally — private by default.Runs in your browserOpenReadyMetadata ToolsView, edit or strip the hidden metadata inside almost any file.Runs in your browserOpenReadyMedia ConverterTrim and convert audio and video in your browser — media never leaves your device.Runs in your browserOpenReadyFavicon & App Icon GeneratorTurn one image into a full favicon and app-icon set.Runs in your browserOpenReadyQR Code Generator & ScannerDesign a branded QR code, or read one from an image or camera.Runs in your browserOpenReadyUnix Timestamp ConverterConvert between epoch time, dates and timezones.Runs in your browserOpenReadyText ToolkitClean, convert and count text in one click.Runs in your browserOpenReadyColor Tools & Contrast CheckerPick colours, build a palette, and check WCAG contrast.Runs in your browserOpenIn DevelopmentNetwork Speed TestPlanned — accurate measurement needs reliable endpoints.Runs in your browserDetails
Every tool runs in your browser, right here on Tamim Labs — no upload, no account, no install. The network speed test is listed as in development and will only mark itself ready once a reliable measurement endpoint exists.