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Format JSON, HTML, CSS, JavaScript and SQL, compare structures, apply JSON patches and validate NDJSON. Inspect code and data without executing your source.
Explore tools
FASTQ read quality filter
Filter strict four-line single-end PHRED+33 FASTQ by an inclusive all-base score interval, retaining selected original record bytes and complete decisions.
PDB declared chain sequence exporter
Export legacy PDB protein SEQRES declarations as chain-labelled FASTA, with fixed-column residue provenance, explicit MODRES mappings and unknown positions.
Terraform plan declaration review
Review ordered Terraform plan actions, deposed copies, drift and output changes with recursive supplied sensitive and unknown masks.
Browser bookmark export merger
Merge UTF-8 Netscape bookmark exports by exact folder title and same-folder HREF, preserving alternate metadata and complete source provenance.
CMake File API artifact inventory
Join local codemodel2 reply files across configurations, resolving every declared artifact against the top-level build root with full dependencies.
GitHub Actions permission and dependency audit
Inspect one local workflow's declared token permission policies, exact needs edges, cycles and action references with complete JSON and CSV.
CODEOWNERS changed-path routing
Resolve each supplied changed path against one selected CODEOWNERS snapshot, retaining the last valid rule, all declared owners and explicit ownership gaps.
Touchstone S-parameter matrix report
Read one declared 1–4-port Touchstone S-parameter file into a complete matrix CSV/JSON, preserving raw numeric tokens, option provenance and source positions.
URDF declared-link graph review
Inspect declared URDF links and joints for unresolved references, multiple parents, roots and cycles, preserving the full source and exact byte positions.
Rooted Newick taxa pruning
Keep or remove named taxa from a declared rooted Newick tree while retaining the original root, unknown edge lengths, annotations and exact decimal contractions.
Aligned FASTA whole-column trimming
Remove alignment columns using an explicit missing-character set and threshold, preserving every row, full header and complete original-to-output column map.
Compare typed registry exports
Compare two local .reg exports by ASCII key and typed value, preserving both complete snapshots, original SHA256 and every change in JSON/CSV.
GenBank CDS declared-protein export
Select CDS features by a literal qualifier value and export their unique declared translations, retaining all feature statuses, qualifiers and original byte spans.
TMX language-pair and variant export
Export explicitly selected TMX language pairs to TSV while preserving all alternatives, metadata and mixed inline content in a complete report and exact original.
Inventory Windows shortcut declarations
Read stored paths, arguments and opaque components from local LNK originals and export a complete inventory without activating shortcuts.
Edit TrueType font names
Rewrite explicit internal identities in a supported static TTF while preserving glyph and other table bytes and rebuilding checksums.
Inspect native PE import declarations
Read direct and delay imports from local x86 PE32 or x64 PE32+ files, keep name/ordinal and source hashes, and export complete JSON plus formula-safe CSV in one ZIP.
Compare compilation database argv
Compare two compile_commands files by ordered declared argv and working directory, retaining sources and every invocation.
GraphQL document validator
Check a whole GraphQL document against local SDL or introspection JSON and download complete static diagnostics with exact originals.
Tryptic peptide positions
Enumerate every theoretical peptide occurrence from one protein sequence or FASTA, up to a chosen missed-cleavage depth, with positions, CSV and exact source bytes.
File signature type hints
Check common signatures, filename relations and explicit unknown results from bounded local file samples; download the complete evidence JSON.
Preview bound SQL parameters
Expand typed T-SQL parameter values for diagnosis and audit every binding.
Inspect PostgreSQL 16 JSON plans
Read one or two PostgreSQL 16 JSON plans, retain full trees, Workers and numeric spelling, explain loops and parallel scope, and compare matching positions.
DNA sequence logo
Generate a quantitative ACGT logo from an existing alignment, with explicit probability or information heights, gap handling, full column measurements and exact source bytes.